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1->'''Female Changeling''': As I said, I wish the circumstances of this meeting were different. You killed a Changeling, Odo.\²'''Odo''': He was trying to kill my friends. I had no choice.\²'''Female Changeling''': Of course you had a choice, and you chose to side with the Solids. To protect them, you were willing to violate the most sacred law of our people.\²'''Odo''': No Changeling has ever harmed another. \²'''Female Changeling''': Until you.\²--> [[Recap/StarTrekDeepSpaceNineS04E26BrokenLink "Broken Link"]], ''Series/StarTrekDeepSpaceNine''²²A race, species, or other group feels [[TheRightOfASuperiorSpecies morally free to capture, torture, maim, psychologically brutalize, destroy, commit genocide against, and generally toy with the lives of "lesser" species]] while still feeling morally superior by virtue of the fact that they would never do such horrible things to [[SpeciesLoyalty their own kind]]. Particularly, they would never ''kill'' anyone of their own kind, and look down on other races, who prove their barbarity through killing each other.²²They don't necessarily think they're morally superior ''because'' they don't kill each other. They just think they're ''[[CulturalPosturing better]]'', and the fact that they don't kill each other is indirect proof of that. If they do start killing each other, don't expect them to suddenly realize they're no better (except perhaps for the DefectorFromDecadence). They've probably got tons more reasons why they're better, all of them as irrational as that one. They might, for example, [[NoTrueScotsman call those of their own group who are being killed and/or those who are doing the killing "primitive", "racially inferior", "malformed", "cursed", or even "impostors."]]²²This sometimes appears as an aesop is HumansKillWantonly[=/=]HumansAreTheRealMonsters and the audience is supposed to assume that the group really is morally superior to humans, though in a "[[EvilVersusEvil they're bad]], but [[EvenEvilHasStandards not as bad as humans]]" way.²²This is something of a TruthInTelevision as well, since many of the so-called "barbaric" cultures were only so to the outsiders. Also compare the opening paragraph with humanity's prohibitions on human-abuse vs animal-abuse - when, in fact, humans ''do'' regularly commit murder of their own kind, and for a variety of reasons. But humans are also the only ones who feel even the tiniest bit bad about doing it, or revile others who do it; animals kill each other even more freely.²²Usually part of CulturalPosturing; also a subtrope of MoralMyopia. See also ThouShaltNotKill, WhatMeasureIsANonHuman, EvenEvilHasStandards. Contrast InYourNatureToDestroyYourselves.²----²!!Examples²²[[foldercontrol]]²²[[folder:Anime and Manga]]²* This becomes a problem in the ''Manga/MermaidMelodyPichiPichiPitch'' anime with Sara, a mermaid villain that appears late in the first season. When the princesses try to use their MagicMusic on her, it has absolutely no effect, since it's apparently [[MagicAIsMagicA hard-wired into their powers]] that they can't hurt other mermaids. This, however, doesn't prevent ''Sara'' from sending them into fits of agony with her own VillainSong [[spoiler:once it's revealed that she too is a princess.]] The rule doesn't seem to exist in the manga, and the only reason they can't hurt her is because [[MyKungFuIsStrongerThanYours she's just that strong]].²* ''Manga/{{Appleseed}}'' the movie: "Bioroids don't kill other bioroids!" This time they ''are'' morally superior to humans, because that's what they were designed to be from the beginning. As a downside they can't feel positive emotions as strongly as humans, either.²* At one point in ''Anime/AfterWarGundamX'', [[MysteriousWaif Tiffa]] has a psychic chat with some Newtype dolphins, and explains human cruelty to them, since "Dolphins never attack one another". This is utter bollocks, since dolphins are actually well-known in scientific circles for their habit of killing one another for absolutely no reason other than "ForTheLulz." Then again, it might be [[ScienceMarchesOn because the anime was made way back in 1996.]]²* In the manga of ''Manga/ChronoCrusade'', it is mentioned that a Demon killing another Demon is an unforgivable crime which brands the killer as a Sinner. The law-abiding Demons, the Pursuers, are then obliged to hunt down and kill all Sinners. So it's more 'Ape Shall Never Kill Ape Unless The Ape To Be Killed Is An Outlaw'.²* ''Literature/FromTheNewWorld'': A thorough {{Deconstruction}} of this concept. Humans do not kill humans - even the idea is repugnant and incomprehensible. Not only are they socially conditioned to have a [[PerfectPacifistPeople very strong aversion to killing or violence]], [[spoiler: they were also biologically modified with a death feedback response, a "self-destruct mechanism" that kills them with their own PK power should they ever kill another member of their species]]. The non-human bakenezumi have no such aversion to killing other bakenezumi and even fight wars for territory and slaves (under human supervision, as a controlled outlet for their aggression). This seems to play into the human perception of the bakenezumi as sub-human and potentially dangerous, [[spoiler: though it certainly doesn't stop humans from using the bakenezumi in order to kill those humans who show signs of throwing off the social conditioning or who otherwise pose a threat to their social order]]. Finally, it's revealed in the very last episode that [[spoiler: the bakenezumi were originally humans who lacked PK. Without the ability to give them a death feedback response, the same scientists who created the death feedback response instead mutated them into creatures that would no longer be recognized as "human," thus allowing humans to control them through the threat of violence even while creating their ideal pacifist society]].²* Defied in a filler scene from ''Anime/DragonBallZ''. Some low-level mooks are monitoring [=SSJ=] Goku and Freeza's fight from another planet, and one of them expresses hope that Freeza might lose. He's immediately shot by another mook of the same species, who declares that there are no more individual races - [[ThereAreTwoKindsOfPeopleInTheWorld just those who obey Freeza and those who disobey.]]²** Enforced and justified with the Gods of Destruction. They ''could'' fight or kill each other, but they're forbidden from doing so by the Grand Priest. Two Gods of Destruction going at it have the potential to [[PersonOfMassDestruction destroy universes in the crossfire]], so there's damn good reason for this. The only time they're allowed to fight each other with full strength is when they're in the World of Void, since there's nothing there for them to accidentally destroy.²* ''Manga/AttackOnTitan'': The humans think Titans are like this, since they never attack each other. [[spoiler:Until the Rogue Titan shows up anyway. Also gets subverted in other ways: the Titan spies kill their own kind to keep to their disguises and the Female Titan specifically summons a large number of Titans to consume her Titan body and escape in human form.]] In Chapter 50, we also discover that [[spoiler: Eren not only has the power to transform into a Titan, but also direct them to attack certain specific targets, including normal Titans. Ymir then realizes that this is the reason that the Titan Shifters, those who can also transform into Titans, are so hellbent on capturing him alive.]]²* ''Manhwa/SkeletonSoldierCouldntProtectTheDungeon'': The skeleton soldier tries not to kill other skeletons. They don't share this sentiment, so he has to kill them in self-defense.²* Arlong of ''Manga/OnePiece'' strachely sticks to this. While he's outright brutal to humans and won't hesitate to kill them, he reframes from harming his own kind since his cause is to take ''revenge'' for his kind for their treatment by abusive humans in the past. When Luffy uses one of his crew as a shield to avoid one of Arlong's attacks, he quickly apologizes to his crewmate and becomes further incensed that Luffy would pull that.²[[/folder]]²²[[folder:Comic Books]]²* In ''ComicBook/{{Tellos}},'' Hawke at one point manages to get out of trouble by invoking this trope when caught cheating at a betting game. Since it's forbidden for two members of the [[strike:elven]] ''Ulfen'' race to raise arms against each other, he pretends to want a fight and then ''happens'' to remember that this is forbidden.²* In the comic ''ComicBook/{{Marville}}'' it is stated by God that only humans kill their own species. Oh, and the author wasn't making a joke, he fully believes this.²** In reviewing this comic in his online series ''WebVideo/AtopTheFourthWall'', Linkara calls the author out on this:²--->"Sure, humans kill each other. We kill for passion, madness, rage, love, war, and Lord knows other things. And yet, we've got ''six billion people'' running around the planet, almost as if people who kill other people are the EXCEPTION rather than the rule! And don't tell me animals never kill their own. Animals are frickin' ''dicks'' to each other, whether it's the cuckoo bird that kills off another cuckoo bird's children so that the new one will try to raise them, ant colonies that go to war with one another and enslave other ants into them, or even mountain gorillas who will kill another one if it wanders into their territory. In other words, take your self-righteous, moral-aggrandizing, holier-than-thou attitude, and ''choke on it'', along with this comic!" ²* Brutally defied in ''ComicBook/StarWarsLegacy'': a quarren politician tries to stop the genocidal Sith attack on the Mon Calamari by invoking this at quarren Sith Darth Azard [[NoGoodDeedGoesUnpunished and gets killed for it]]; Azard sees things like species or ethnicity as irrelevant, identifying as Sith above all else. And even if he didn’t, he certainly wouldn’t ascribe to this trope, given he’s a total sociopath.²[[/folder]]²²[[folder:Fan Works]]²* In ''FanFic/SonOfTheDesert'' Scar becomes reluctant to kill Edward when the latter reveals himself to be Ishvalan despite thinking them as {{Category Traitor}}s otherwise.²* In the extended ''Literature/{{Discworld}}'' of Creator/AAPessimal, the Librarian embodies this theme. He conceded the City Zoo may keep gorillas and chimpanzees and accepts that to them, this is like a lifetime pass to a five-star hotel with their every need attended to. Indeed, he is consultant to the Zoo and advocates for Ape Rights. However, woe betide the Zoo director if she even ''thinks'' of exhibiting captured orang-utans. [[note]]She in her turn is in complete agreement with the Librarian. Assassins are not stupid.[[/note]]. The Librarian also regularly visits the City's import-export business in exotic animals just to make sure they aren't dealing in orangs on the sly. He is also known to drop in on All Johnson's Howondalandian Food Emporium (''Almost every taste from the continent!'') to ensure a very strict ''Absolutely no bushmeat! The Librarian comes and checks!" provision is being rigidly adhered to. it is not known what happens to Howondalandians who try to illegally meet a market for bushmeat. But they tend not to last very long.²* ''Franchise/StarTrek'' fanfic ''[[ The Night the Day the War Began]]'' by Alara Rogers has Q coming to grips with the horror of Q actually killing other Q in their civil war. It's unthinkable and yet it's all around him and, by this point, inescapable. And qualitatively different from mortals dying, both because of the enormity of the distinction between mortals and Q, and because ''it's actually possible to bring mortals back to life'' -- but not even Q can return Q to life, or undo the time during which the war happened.²* In ''Fanfic/GuardiansWizardsAndKungFuFighters'', it's established that the one law which the Lurdens have amongst what passes for their society is that they don't kill their own kind.²[[/folder]]²²[[folder:Film]]²* ''Franchise/PlanetOfTheApes'': ²** The {{Trope Namer|s}}, specifically ''Film/BattleForThePlanetOfTheApes''. The phrase "Ape shall ''not'' kill ape" appears three movies earlier in ''Film/BeneathThePlanetOfTheApes'' as an excuse to not shoot down protesting pacifist apes. The first film mentions a sacred scroll that hints the concept as well: "Beware the beast Man, for he is the Devil's pawn. Alone among God's primates, he kills for sport or lust or greed". However, as the Real Life section shows, actual primates ''do'' kill each other.²** Subverted by General Thade in ''Film/PlanetOfTheApes2001''. He claims that apes are morally superior to humans because humans are inherently savage compared to their "more cultured" kind, but he has no problem with killing any apes who are opposed to his plans to wipe out mankind. Or even because [[LeaveNoWitnesses they've seen too much]].²** The reboot (specifically ''[[Film/DawnOfThePlanetOfTheApes Dawn]]'') has kept this trope. [[spoiler: However, a NoTrueScotsman invocation helps Caesar get around it as Koba had abjectly defied their species. Given that Koba had already attempted to assassinate Caesar and killed other apes, the others don't object too much.]]²** It gets brought up again in ''Film/WarForThePlanetOfTheApes'' after Caesar accidentally suffocates Winter to death trying to keep him quiet whilst interrogating him in a military camp. Soon after, [[spoiler: a vision of Koba appears, taunting him with the phrase [[NightmareFuel whilst blood drips down his face]], representing Caesar's fear that he's going down the same path Koba did]].²* ''Franchise/{{Alien}}'' franchise:²** ''Film/{{Aliens}}'': Ripley appeals to this trope when she says, "You know, Burke, I don't know which species is worse. You don't see them fucking each other over for a goddamn percentage."²** ''Film/AlienResurrection'':²*** Several Aliens tear apart another to acidically burn though the ship. However, it apparently did this ''voluntarily'', sacrificing itself to allow the others to escape. Even if it wasn't, it wasn't petty "murder" but a necessary step to allow their race to survive. That, and these particular aliens had been splices with human DNA, so they weren't like normal Xenomorphs...²*** Call also brings this up after Ripley 8, who is also a hybrid (since she was the host that the new Xenomorphs were cloned from), shoots a Xenomorph, asking her why she would basically kill one of "her own kind". Ripley just shrugs it off with a dismissive "It was in my way".²*** Whether it's more human or alien, the Newborn at the end viciously averts this. It's first act after being born is ''matricide''. Its second act is to crush a human soldier's head. The only person it doesn't try to hurt is Ripley.²** A similar thing in done in ''Film/AVPAlienVsPredator'', where aliens tear apart their kin so the acidic blood dissolves the chains holding the Queen.²* In ''Film/XMenFirstClass'', Sebastian Shaw lightly scolds Emma, after she punts Erik off their yacht, that, "We don't hurt our own kind." [[spoiler:Later, however, he kills Darwin, and his team later go all-out to hurt/kill the X-Men; and of course, he beats up Erik on the sub, while trying to convince him to change sides.]]²* The novelization to ''Film/{{Gremlins}}'' says that Mogwai are incapable of killing eachother.²[[/folder]]²²[[folder:Literature]]²* This is one of the original Seven Commandments of ''Literature/AnimalFarm'', conveniently discarded when UsefulNotes/JosephStalin {{Expy}} Napoleon became convinced there were traitors in his midst.²* Creator/RoaldDahl's ''Literature/TheBFG''. Giants is never killing giants; only humans is. In fact, the BFG claims that humans are the only species on the planet that kill their own kind. Not true in RealLife. In [[WesternAnimation/TheBFG the cartoon]], Fleshlumpeater tries to kill the BFG after his plan to imprison the evil giants is exposed, on the basis that he [[NoTrueScotsman doesn't consider him a true giant anymore, but a "human bean"]].²** To be fair to the BFG, even though it might have been known at the time period the book took place in that animals kill their own kind, even if the BFG is the smartest of the giants he might have simply been unaware of the truth, and he certainly feels that [[FateWorseThanDeath imprisoning the other Giants in a pit that it would be impossible to get out of where their only food is the worst food in the world]] isn't a bad idea.²* In Creator/PoulAnderson's ''Literature/DominicFlandry'' series (part of his ''Literature/TechnicHistory''), Flandry is an Agent for the Terran Empire. Kidnapped by an alien race, the alien race asserts that they are far more civilized than the Terran Empire, as they would never betray an oath or otherwise be dishonest (except to other, lesser, races, like humans). He soon has the entire leadership of the planet backstabbing each other, noting that their refusal to admit that they, too, can betray each other if the price is right, is what enabled him to succeed in destroying them.²* In the ''Literature/DragonridersOfPern'' novels, dragonriders consider killing one another to be unthinkable, because the death of a rider means the rider's dragon dies as well. When an AxCrazy Oldtimer attacks F'lar, he doesn't dare to fight back with lethal force [[spoiler: until it's revealed that the man's dragon just died in a failed attempt to mate with a queen dragon]]. Once F'lar knows the situation, he kills without hesitation.²* ''Literature/EndersGame'' features an odd kind of aversion when a major difference between the Formics and Humanity is discovered. [[spoiler: The Formics are an insect-like hive species with millions of drones controlled by singular Hive Queens. They assumed humans functioned like that in their first encounters and simply disposed of what they presumed to be mere drones with no more remorse than a human would have over clipping their fingernails. The Formics didn't conceptually understand that anything could be "sentient" that wasn't the queen of a hive-mind. When they realized that each individual human was a single sentient creature, their guilt over the number of lives they had taken was enough that they essentially accepted their own near-extinction in retaliation.]]²** By ''Literature/SpeakerForTheDead'', humanity has recognized a major distinction between aliens who are weird but possible to communicate with ("raman") versus aliens who are [[InscrutableAliens completely incomprehensible]] and OK to kill (varalese.)²* ''Literature/GulliversTravels'' concludes with Gulliver visiting the land of the Houyhnhnms, (a race of intelligent horses) who keep the Yahoos (a race of unintelligent humans) as pack animals, somewhat analogous to how people treat horses. The Houyhnhnms, however, insist that they're better than humans because of how humanely and reasonably they treat each other, whereas we're constantly making wars. They don't treat Yahoos badly -- [[DoesThisRemindYouOfAnything no worse than we treat horses, anyway]] -- but they refuse to try to help human society achieve the level of harmony they claim to have. They don't really have anything to teach Gulliver except that HumansAreTheRealMonsters and that Houyhnhnms are great. Considering how ridiculous he makes Gulliver's behaviour after learning this, it's pretty clear that Swift - for all that he was a bit of misanthrope himself - didn't think much of the Houyhnhnms either.²* The Souls from ''Literature/TheHost'' would never harm each other...but don't extend the same courtesy to humans (they do seem to want to prevent unnecessarily killing humans, but likely only so they can be used as hosts).²* The Paris vampires in ''Literature/InterviewWithTheVampire'' have only one rule: don't kill another vampire. Breaking that rule is punishable by death.²* ''Literature/InvisibleMan'': Pretty much the only thing restraining Ras the Exhorter is that he refuses to kill other black people. [[JumpingOffTheSlipperySlope At first, anyways]].²* ''Literature/TheLordOfTheRings'': Non-villain example: The Hobbits are big on not killing each other. During the Scouring of the Shire sequence, Frodo's orders are not to kill the Hobbits working with the evil Men who have taken over the Shire. He says, ''"No hobbit has ever killed another hobbit on purpose in the Shire and it is not to begin now."''²** However, the Miller Sandyman says that he heard that Frodo's mother pushed Frodo’s father into a river, and he pulled her in after him. So even if it’s only MaliciousSlander, the idea of killing another hobbits is not new in the Shire. And Sméagol killed Déagol a lot of time ago, before Sméagol would be transformed into Gollum.²*** Sandyman may not have suggested deliberate murder, but stupid horseplay gone terribly wrong; Frodo's mother was a Brandybuck, who know how to swim in Brandywine River, while most Hobbits never learn such skill, which Frodo's mother might have forgotten. ²*** Technically Sméagol and Déagol are river folk; similar to Hobbits, but they are never said to be the same race. Also, they were not of the Shire, indeed predating the Shire's founding, and Frodo's quote includes the distinction.²** The elves are similarly good to one another. There have been three elf-on-elf battles, detailed in ''Literature/TheSilmarillion'', but they were so notable as to each be historical events (the "Kinslayings"), and were all tied to an illicit oath taken by the Elf-King Fëanor concerning the Silmarils, legendary gems that provided the book's title.²* Particularly {{Anvilicious}} in ''Literature/TheOnceAndFutureKing'', which claims that ants, termites, and humans are the only animals that make war on each other. This is almost true (chimps also have wars), but just because other animals don't have war doesn't mean they never kill each other.²* ''Literature/SectorGeneral'': Justified with the Cinrusskins: as a race of [[TheEmpath empaths]], no sane Cinrusskin has ever killed another as the pain of death is shared with both the victim and the murderer.²* ''Chains of Violence'': In this ''Franchise/StarTrek'' novel, there are the Tseesk, bird-like creatures who enslaved a human colony. They repeatedly talk about how their society cares for each of them, and how humans in the colony they found were nothing like this - and this somehow gives them the right to make humans into slaves and when humans revolt, the Tseesk declare that humans are too much of a threat to be allowed to exist free, and want to exterminate them. Then it turns out that [[spoiler: once Tseesk occupied 14 planets, but then they started a CivilWar which rendered 10 planets uninhabitable, one planet was inhabitable but all Tseesk there died (this was a planet humans had their colony on), another turned into ice world where surviving Tseesk degenerated into primitive tribes, and only one planet survived mostly intact, thoug they '''still''' have to rely on tech from before the war which they now cannot replicate.]] Not really friendly to each other, either.²* ''Literature/ThievesWorld'': The purpose of the Blue Star Order is to produce very powerful Adepts to fight in the Apocalypse, so they strictly forbid the killing of fellow Adepts. So Adepts (who are not a particularly savory bunch) don't kill each other, because their kind are superior. This probably skirts a subversion, due to the reversal of causality.²** In some stories focusing on the Adepts, there turns out to be a catch to this. One of the keystones to a Blue Star Adept's power is an individual secret that, if learned by another magician, allows the learner to claim the Adept's power (and if learned by a nonmagician can often render the Adept powerless anyway). A powerless Adept is useless in the final battle and is thus fair game. So Adepts never ''attack'' each other, nor do they conspire for anybody else to... but that doesn't mean there aren't ultimately lethal vendettas going on.²* The trope is discussed shortly after the climax of ''Utopia''. [[spoiler:When forced to choose between saving the insane New Law robot Prospero and the virulently anti-New Law and anti-No Law Simcor Beddle, Caliban decides that Prospero's willingness to kill humans and Beddle's willingness to kill robots were equivalent acts of evil. But Prospero had destroyed other robots, even other New Law robots to achieve his goals, and Caliban had no evidence that Beddle had or was willing to kill other humans for gain. This made Beddle marginally less loathsome than Prospero, and so Caliban shot his friend and rescued his enemy]]. So basically, an ape that will not kill ape is a ''better'' ape than one that will, but that isn't enough to make the first ape a ''good'' ape in absolute terms. ²* Creator/VladimirVasilyev's ''Literature/WolfishNature'' duology takes place in an alternate world where humans evolved from dogs. One of the defining moments of ''canus sapiens sapiens'' history is the Bio-Correction in the 18th century, when the "wolf gene" was bred out of every person on Earth, essentially creating this trope. The mere thought of killing another human is repulsive. Doing it usually means the person goes insane after the act. Only trained agents (and then only if they go through proper mental conditioning) have a chance of coming out of a mission where they are forced to kill with their psyche relatively intact. Even then they still spend weeks or even months in psychological recovery. There have been no wars since the Bio-Correction. The plot of the duology involves the discovery of an enclave of "wolves" - non-corrected humans who can still kill. It's not so much that the whole world is afraid of them. It's the fact that any country with a live specimen can use that to clone a whole army of merciless killers. At the end of the second novel, [[spoiler:the protagonist finds out from a geneticist that the Bio-Correction was a lie of the ClapYourHandsIfYouBelieve variety - if people are conditioned to think they're incapable of killing and will go insane if they do, then this is what will happen. ArtisticLicenseBiology here-Any decent geneticist understands that aggression is not a single gene that can be surgically removed. Then again, most non-geneticists will gladly believe in LegoGenetics, especially in a world where GeneticEngineeringIsTheNewNuke is true. This seems to imply that all geneticists since the 18th century have been in on the secret and have been keeping it from others.]].²* Inverted in ''Literature/{{Fablehaven}}''. If you aren't a dragon, killing one is considered an insult to their entire race and marks you for death. Luckily, most dragons are locked away in seven sanctuaries and only leave when TheEndOfTheWorldAsWeKnowIt is upon them, hence why [[spoiler:Vanessa, Kendra, and Seth are dragon slayers and still alive at the end.]]²* Zig-zagged in ''Literature/ASongOfIceAndFire''. In the Iron Islands, it's forbidden for one Ironborn to shed the blood of another, but [[LoopholeAbuse drowning them or disposing of them in]] [[ExactWords a similarly bloodless manner]] is perfectly okay. ²* The gnomes in the appropriately-named ''Literature/{{Gnomesaga}}'' do not have a history of inter-gnome violence. Plotting against each other, frame-up jobs, and smear campaigns are legitimate, though.²* Drizzt Do'Urden of ''Literature/TheIcewindDaleTrilogy'' went through this. In ''Literature/TheDarkElfTrilogy'', Drizzt takes a personal oath never to kill his own kind even as he is being hunted down by them. This works out fine while he's living on the surface and never actually meets any other drow, but in the ''Literature/LegacyOfTheDrowSeries'' his family show up and he's forced to realize the hypocrisy of refusing to kill his (generally ChaoticEvil and AxCrazy) own kind but freely slaying members of races like humans who are usually less evil. He tosses aside the old vow in favor of a new one, to never kill except in defense of himself or another.²* In ''Literature/TheFourHorsemenUniverse'' it's rare but not unheard-of for human mercenary companies to fight each other on the job (one such instance happens in the ShortStory "Hero of Styx"). The Four Horsemen[[note]]the four oldest, most prominent, and richest human mercenary companies, around whom the first four novels revolve[[/note]] have a gentlemen's agreement not to take contracts where they'd possibly fight each other.²* In ''Literature/SkulduggeryPleasant'', vampires killing other vampires is strictly taboo.²[[/folder]]²²[[folder: Live-Action TV]]²* ''Series/StarTrekDeepSpaceNine'':²** The Founders' highest (or even ''only'') law is "no Changeling has ever harmed another" (until [[spoiler:Odo does it]] - and they ain't too happy about that, as you might imagine). Indeed, it's less a law than a simple, unshakable truth. [[spoiler:However, as the founders and leaders of the Dominion, a classic example of TheEmpire, they've harmed pretty much everyone else.]] Although there are times when they only follow this rule in spirit, as they have allowed harm to come to Odo by not intervening when inflicted by someone else--in "The Die is Cast," [[spoiler:the Changeling posing as Lovok]] did not intervene when Garak tortured Odo, but he did go back and help the two of them escape. Also in "The Adversary", the Changeling saboteur tries to convince Odo to escape with him, but is willing to leave him to die with the humanoids if he won't come. Then in "Broken Link", they afflict Odo with an infection that will kill him unless he returns to the Great Link for judgment. In this case at least, they admit to internal conflict over the decision (unheard of among the Founders otherwise). The novels explain that the Changelings are no longer capable of reproducing after the "Progenitor" left, so a dead changeling affects the whole race.²** The Ferengi follow this to a lesser extent: while murder of individuals and the like happens, Quark has a big speech to Sisko in which he points out that while Humans look down on the Ferengi for being greedy capitalists, the Ferengi themselves look down on the Humans and think they're "better". Ferengi never engaged in genocide, slavery, or atomic warfare, which Human history is full of. Indeed, the Ferengi have never even fought a large-scale interstellar war, instead peacefully resolving disputes by (ruthlessly) applying economic pressure, subjugating their own women, and selling weapons to other people who commit genocide and engage in atomic warfare. There's also Rule of Acquisition #17 - A contract is a contract is a contract...but only between Ferengi.²** Played with regarding the Bajorans. The planet is on the brink of civil war at the start of the series, the Resistance would attack installations with Bajoran collaborators in them, and one Cardassian resistance member sneeringly says that unlike Bajorans, ''they'' would not do the same. However, a second civil war scare is averted right at the moment a rebel faction is ready to ambush the army, because the leaders recognize each other from fighting the Cardassians and can't pull the trigger.²* ''Series/{{Battlestar Galactica|2003}}'': "Humans don't respect life the way we do," from D'Anna after the Cylons have exterminated billions of humans (and presumably severely damaged the biospheres of their planets, what with the nuclear fallout and such). Caprica-Six clubbing this self-same D'Anna over the head with a rock is later denounced as "the first act of Cylon-on-Cylon violence in our history" (though it's really not) during a discussion on executing human detainees. Hypocritically, a Five shoots Caprica-Six for speaking out against the execution. They later resorted to simply blowing each other and the trope to bits with their Basestars. Moreover, Three's comment is incorrect, as [[spoiler:Cavil-One killed all maturing copies of Daniel-Seven, then contaminated the genetic code out of jealousy, then scrubbed the memories of the other Cylons regarding the event]].²** The {{irony}} is that Caprica-Six prevented D'Anna-Three from unknowingly committing another act of Cylon-on-Cylon violence. Patricide, in fact.²** The Cylons justify their genocide of humanity with "they would have destroyed themselves anyway". [[spoiler:We find that a whole tribe of Cylons ''actually'' destroyed themselves. Plus, the modern Cylons mostly destroyed themselves too.]]²** Suffice to say, the Cylons were really big on hypocrisy. ²* ''Series/SpecialUnit2'': A particularly nasty specimen of Gargoyle (a mass murderer of humans) makes this comment in the pilot episode.²* The Terrians in ''Series/{{Earth 2}}'' are actually incapable of attacking their own kind. A bad guy takes advantage of this by wearing a necklace of Terrian bones, and until it's removed they can't kill him. Of course, when it does finally get taken off, he's dragged underground pretty quickly.²* The Vampires of ''Series/TrueBlood'' have nothing but contempt for humans and will kill them at leisure if they can get away with it. But kill another Vampire and you are in for a world of hurt.²** There are cases of vampires killing other vampires, but the smart ones do it in secret and clean up the mess afterwards. When Bill kills Longshadow (Eric's bartender), who was trying to kill Sookie (who had exposed his embezzlement of Eric's money), Eric (being the vampire sheriff of the county) is required by law to report the crime. When Bill points out that Eric would've killed Longshadow anyway for stealing from him, Eric agrees but claims he would've been more discreet than doing it in front of witnesses. Due to the mitigating circumstances, the Magister decides to impose a lenient punishment on Bill, and sentences him to turning Jessica Hamby into a vampire.²* A somewhat interesting inversion in ''Series/DarkShadows''. The Leviathan are instead forbidden from using lethal force against humans. Though it's more to avoid [[OurGhostsAreDifferent even larger problems]]. Or it's supposed to be, but RealLifeWritesThePlot, and the storyline didn't fully make sense in that regard.²* Averted in ''Series/KamenRiderKiva'', where the King and Queen of the [[OurVampiresAreDifferent Fangires]] are specifically tasked with killing Fangires who betray their race (The King kills those who aid humanity, while the Queen kills those who [[InterspeciesRomance fall in love with humans]]). [[spoiler:Of course Maya, the Queen circa 1986, [[{{Irony}} falls in love with a human]], which is where our hero comes from. And then Mio, the 2008 Queen falls for the child of that previous union.]] Occasionally Fangires will fight amongst themselves for more petty reasons, [[spoiler:like those attempting to kill Maya in order to gain her power, or the 1986 King's guards who attempt to prevent Maya from rescuing the imprisoned Otoya]].²* Routinely averted on ''Series/WalkingWithDinosaurs'' and its spinoffs (including ''Series/{{Primeval}}''). The very first episode has a pair of protomammalian cynodonts eating their own young, and it doesn't improve much from there.²* On ''Series/BabylonFive'', "Minbari do not kill Minbari." Although this tends to be interpreted rather loosely at times or with [[NoTrueScotsman certain qualifications]], it was ultimately what saved [[spoiler:humanity from destruction during the Earth-Minbari War, when it was discovered that humans and Minbari share souls, which effectively meant humans were Minbari and thus shouldn't be killed.]]²** Midway through the fourth season, this one goes right out the window after some slippery-slope logic leads to the Religious Caste population of a city being exiled into the winter wilderness. Most don't survive the long trip on foot to the nearest town. Not long after, the Minbari Federation falls into a full-on civil war.²** Minbari have a tradition called denn'sha, which is a ritual fight to the death. The meaning of the word means "Denial", and by partaking in it, they deny being Minbari for the duration of the fight. The loser is not considered "killed" by their opponent so much as having committed ritual assisted suicide.²** During the Minbari civil war, the Warrior caste bombs Religious caste cities. How do they justify it? They're just destroying infrastructure. If anyone gets hurt, it's their own fault for walking around where they're not supposed to be. When cities do surrender with the promise of being let go, the Warriors do let them go... into the tundra, without any supplies.²* Like ''Series/TrueBlood'', ''Series/BuffyTheVampireSlayer'' carries this aspect, but with all demons. In season 4, after being implanted with a chip that shocks him whenever he attempts to attack humans, Spike (a vampire) becomes gleeful when he discovers that he still has the capacity to harm other demons and vampires. He's then ostracized by those who show contempt for anyone willing to kill "their kind."²** Although given all the demon-on-demon violence we see throughout the series, and even more mentioned in backstories, it appears that the real problem Sunnydale's demon community has with Spike is that he keeps helping the Slayer.²* ''Series/YoungDracula'''s vampires have no reservations about killing humans, but killing other vampires is strictly forbidden.²* In ''Series/LostGirl'' Fae apparently aren't supposed to feed on each other, as that's what humans are for. Despite this Bo, a succubus, regularly feeds on other Fae and no one objects. This may be because succubi (and the like) have a very pleasurable form of feeding so people are willing to allow it. It could also be that while feeding on other Fae is allowed, killing them to feed is illegal. That again is what humans are for.²* The Observers in ''Series/{{Fringe}}''. In the fifth season, they [[spoiler:subjugate our world and pollute the air to make it more breathable for them, consequently shortening human lifespans. When Windmark finds that Nina has been experimenting on Observers, he is disgusted and declares humans to be "animals".]]²* In ''Series/{{Defiance}}'', the Omec refuse to eat other Omec except in [[CannibalismSuperpower special ceremonies with deceased relatives]]. Despite this, the Omec will quite happily eat other Votan races, which is why when the Votan star went nova, the other Votans sabotaged the Omec [[TheArk ark]] and left them to die.²* In "[[Recap/DoctorWhoS4E3ThePowerOfTheDaleks The Power of the Daleks]]", the first Second Doctor story from ''Series/DoctorWho'', a Dalek asks a human why they kill each other, not understanding it at the time. Of course, in later stories, Daleks started killing each other too.²* The angels in ''Series/{{Supernatural}}'' have this rule. When angels start turning up dead, Castiel seeks assistance from the Winchesters to help figure out what high ranking demon had figured out a way to kill angels. It literally never occurs to Castiel that an angel could turn on another angels as they are literally siblings. Castiel is shocked and in denial when the highest ranking demon they could find laughs and says demons could only dream of being able to kill angels.²** The Winchester brothers maintain this rule about other humans. Their motto is literally "Saving people. Hunting things. The family business." They refuse to kill humans, no matter what heinous act they may have committed, because their job is only to hunt and kill the supernatural. Dealing with human scum is a job for law enforcement. This leaves weird quandries where they kill vampires who don't prey on humans or ghouls who only eat the dead despite really needing fresh live meat, but will leave incestuous serial killers and spell-casting witches (humans that summon powers from demons) alive. It has been lampshaded by Dean.²--> '''Dean:''' Demons, I get. People are crazy.²** There have also been situations where the brothers have killed humans in defense of each other or while under the influence of the supernatural because of a dumb decision they've made. While they acknowledge that these human deaths are a bad thing, it does not having any lasting effect on their perceptions of themselves as good people. ²[[/folder]]²²[[folder:Music]]²* Music/{{Glassjaw}} alludes to this trope with their song "''[[ Ape Dos Mil]]''"²-->Yeah, you're the reason\²I cannot forget this season\²Or the lesson how '''an ape shall not kill ape'''²* Gilby Clarke's [[Music/PawnshopGuitars "Hunting Dogs"]]:²-->"Hunting dogs don't kill their own."²[[/folder]]²²[[folder:Tabletop Games]]²* In a sidebar titled "Ape Shall Not Kill Ape" in the ''TabletopGame/FengShui'' supplement "Seal of the Wheel," it is noted that the Ascended do not look kindly upon members of the Lodge offing each other because they aren't precisely numerous and the loss of even one of their number is a weighty matter, and thus do not suffer those who make a habit of this to live. Only the Unspoken Name, the leader of the Ascended, can issue a sanction order to kill another Ascended.²* ''TabletopGame/{{Warhammer 40000}}'':²** The Eldar have an interesting relationship with this trope.²*** For the Craftworld and Exodite factions of the Eldar, killing a fellow Eldar is an unspeakable crime (and not just because they're a DyingRace), which helps fuel that whole MoralMyopia about how a single Eldar life is worth the combined rest of all other sentient life in the galaxy because all the 'lesser' species do horrible stuff to each other.²*** Subverted with the Dark Eldar, however, who only refrain from their ChronicBackstabbingDisorder ways in exactly two situations: The first is the period between the beginning of a realspace slave-raid and until the spoils of the raid are properly divided after their return to Commorragh; the second is when one Dark Eldar Kabal has been dealt a serious defeat by non-Eldar, which always prompts retaliation from the rest of the Kabals against the offenders. This is a matter of purely pragmatic HonorAmongThieves, because in the first case the Dark Eldar's survival is absolutely dependent on a constant and stable supply of slaves to torture and feed upon their agony, while in the second case every Dark Eldar has a vested interest in maintaining their race's image as TheDreaded among "lesser" races. Outside these specific circumstances, the Dark Eldar brook no taboo on killing one another, let alone Eldar from other factions; it helps that they have UterineReplicator and [[BackFromTheDead resurrection]] tech to maintain a non-negative population growth rate.²** [[UnreliableNarrator Depending on which accounts you listen to]], the Tau may also be an example of this trope to a lesser degree.[[note]]The only known renegade Tau group, the Farsight Enclave, has never come to blows with the mainstream Tau Empire. Farsight has his hands full with friendly neighborhood orks, while the reasons for the Ethereals (the Tau leaders) not doing anything are unknown.[[/note]]²** During the Horus Heresy series it is made pretty clear that prior to the Isstvan V Massacre it was considered taboo for Astartes to kill another Astartes, verging on the unthinkable.²*** It is worth noting, however, the original purpose of the Space Wolves, besides taking part in the Great Crusade, was to be the "Emperor's Executioners". Although the issue has been deliberately kept nebulous, there are hints that the Wolves may have performed this specific duty and combated other marines at least once before the Burning of Prospero. Considering the circumstances, it's implied though never outright stated that the Wolves were used in the dissolution of the Second and Eleventh Legions early in the Great Crusade. These two Legions were erased from all records and their Primarchs {{Un Person}}ed, though why and the circumstances surrounding which are never revealed to the reader.²*** In fact, when one Ultramarine ran a combat simulation featuring other Astartes as opponents (because he had already run all other possible simulations), he was detained and scheduled to be disciplined. Then the Word Bearers attacked and they put him in charge of the initial defense.²* ''TabletopGame/WerewolfTheForsaken'': Not only does [[TheCommandments the Oath of the Moon]] say "The [[OurWerewolvesAreDifferent People]] Shall Not Murder the People," but it's a sin against [[KarmaMeter Harmony]] to kill another werewolf. Which is tricky, as the titular Forsaken are at war with their fanatical cousins, the Pure, who a) outnumber them and b) don't give two shits about that little provision.²* In a similar way as above, in both ''TabletopGame/VampireTheMasquerade'' and ''TabletopGame/VampireTheRequiem'', vampires usually have "We don't kill our own kind" as part of the local law. This leaves a bit of ethical leeway, mind you, since putting a stake into a vampire's heart in this universe sends them into torpor (a coma-like state) instead of killing them, and there usually aren't any rules about staking someone and [[AndIMustScream leaving them for eternity in a pit somewhere]]. An ''absolute'' rule among vampirekind forbids ''diablerie'', devouring another vampire's blood and soul to increase your own power. Elder vampires try to paint it as a heinous crime that even the most depraved of them shouldn't even consider, though the reality is that it's something that most of them would do if they could get away with it. The reality is that the obvious reason that any vampire willing to do diablerize another would probably be willing to do it to ''you'' - especially since it's addictive.²* The shadow fey of the ''TabletopGame/{{Ravenloft}}'' setting have the Law of Arak, which absolutely forbids them from killing one another. This, of course, doesn't stop them from ''harming'' one another in non-fatal ways, or from killing and abusing as many non-fey as they want.²* In ''TabletopGame/MagicTheGathering'', [[CastingAShadow Black]] has many spells that can instantly destroy creatures, but only if they aren't black themselves (or are artifacts). Considering Black's domain is death magic, it makes sense that Black spells doesn't work on [[TheUndead creatures that aren't living to begin with]]. This represents that the situation is in practice rather than idealism as the trope requires, conforming to Black's worldview. By contrast, [[LightEmUp White]] features a handful of spells that make a more arbitrary division in not affecting white cards, representing the spirit of the trope much more effectively.²* It isn't a race thing, but members of the Ranger class in ''TabletopGame/DungeonsAndDragons'' 3.0 Edition has a variation. The Favored Enemy ability in some Editions allows them bonuses while fighting certain races that the player is free to choose. Only an evil Rangers may choose his own race for this ability in some of those editions. (It's okay for good-aligned ones to slay villains of their own race, just not select them for this ability.) This restriction is regardless of alignment, too, so a TokenHeroicOrc Ranger couldn't select his AlwaysChaoticEvil race as a favored enemy, but a ChaoticEvil Orc Ranger could. This rule was removed in the update to 3.5 Edition, as the Favored Enemy ability was modified that gave it non-combat bonuses to make it more versatile.²* The giff are a race of mercenaries who originated in the ''TabletopGame/{{Spelljammer}}'' campaign but who occasionally appear in other ''TabletopGame/DungeonsAndDragons'' settings. For the right price, they'll work for nearly ''anyone'' as soldiers, enforcers, bodyguards, thugs, legbreakers, or basically anything that involves fighting, but they will ''not'' accept a job that involves fighting other giff. Period. ²[[/folder]]²²[[folder:Video Games]]²* The Nathrezim (Dreadlords) in ''VideoGame/{{Warcraft}}'', who, out of all the AlwaysChaoticEvil demons have proven time and time again to be the cruelest, darkest and most corrupt of individuals, are forbidden to kill each other. In fact, disregarding this was the ultimate loyalty test Sylvanas prepared for Varimathras, and [[spoiler:even then, it turns out he was faking the kill, as his victim survived and is still in league with him]].²* The Protoss of ''VideoGame/StarCraft'' aren't supposed to kill each other, for fear of falling into racial madness. So naturally they engaged in at least three civil wars since the racial madness ''and didn't go mad''. Turns out they were just scared and created propaganda.²** Similarly, in his inauguration speech, Emperor Arcturus Mengsk of the Terran Dominion says "From this day forward, let no human make war on any other human." That doesn't end up happening, mainly because the United Earth Directorate sent a taskforce to conquer the sector.²*** The video ironically subverts Mengst's speech, perhaps intentionally. Even as he declares that no human should make war on any other human, we see one battle-cruiser destroy another, presumably Mengsk's forces spreading his reach in the sector.²* And to complete the triumvirate of ''Creator/{{Blizzard|Entertainment}}'' games, Archangel Imperius of the ''VideoGame/{{Diablo}}'' series gives absolutely zero fucks about fellow Archangel Malthael's slaughter of humanity, but [[spoiler:when Malthael's forces attempt to destroy the High Heavens' gate to Pandemonium and its angelic guard]], he chooses to aid the [[PlayerCharacter nephalem]] in breaching Pandemonium Fortress so they can put Malthael down.²** Note that Imperius is also willing to abuse the NoTrueScotsman loophole due to Tyrael's constant interference in Sanctuary.²* Averted in ''Franchise/MassEffect'' -- members of one race will easily take aim against their kinsman. [[PlayerCharacter Shepard]] at one point can point out that since Garrus is a turian, he shouldn't want to harm [[BigBad Saren]] (also a turian), but Garrus explains that race is irrelevant with respects to dishing out punishment and if anything, he's even ''more'' eager to take out Saren because he considers him to be a disgrace to his species.²** Some party members (including Garrus) will ask why Wrex is willing to fight other krogan. There's a little more justification here, as the krogan are a DyingRace at that point. Wrex brushes it off.²---> "Anyone who fights us is either stupid or on Saren's payroll. Killing the latter is business. [[TooDumbToLive Killing the former is a favor to the universe.]]"²*** Wrex actually laments that his fellow Krogan are far more interested in fighting and dying in battle than trying to save their race. Wrex mentions that his progressive ideas to try to rebuild (i.e. [[OnlySaneMan stop killing each and focusing repopulating]]) was what got him exiled, or at least banned from becoming a Krogan leader. [[spoiler:If he survives Virmire, he manages to put his plans to save his people into action.]]²* Averted in ''VideoGame/SwordOfTheStars'', where it is revealed that Hiver clans routinely fight inter-clan wars that cause enough deaths to exterminate the human race several times over, and that the Tarka have turned political backstabbing and civil war nearly into an art form by being so accustomed to it. The Liir play this straighter but [[ActualPacifist actually practice what they preach against other species as well]] provided they don't cause trouble; [[BewareTheNiceOnes getting a Liir angry at you is]] ''not'' a good thing. [[spoiler: Subverted when it's revealed in the sequel that the Suul'ka, who the Liir always make an exception for, are actually very old Liir elders.]] The Morrigi really don't care what lesser species do as long as they're willing to trade and don't defile old Morrigi colony sites.²* ''VideoGame/{{Fallout}}'': Although the Death Claws, America's genetically-engineered leftovers from the all-destructive great war, are extremely aggressive creatures little better than animals that attack humans on sight, it's implied (from the modified talking Death Claws in the second series) that their basic pack-based society has a rigidly hierarchical, peaceful, ethical pack-based basic society. They were extremely loyal to the pack as a whole, treating it as a family unit rather than having individual families. Fights within a pack are unheard of, and the pack's leader controls many aspects of life, such as choosing and matching female and male deathclaws for reproduction.²** During the ''Lonesome Road'' DLC for ''VideoGame/FalloutNewVegas'', Ulysses reveals that Caesar has instructed his Frumentarii never to kill any couriers since many of them are in fact working for his Legion, thus courier does not kill courier. Courier Six, the player character, can choose not to follow this creed however.²* Gets deconstructed all the way in ''VideoGame/ArcanumOfSteamworksAndMagickObscura'', whose elves claim that they do not kill another elves because if an elf dies "unprepared", hisher soul will never be able to AscendToAHigherPlaneOfExistence. (Tarant's elven thugs aren't so polite, though.) Naturally, when Wrath, a dweller of HiddenElfVillage is killed by poison, the first and only suspect is his ''dwarven'' apprentice (who also was stupid enough to sign a ''life-long'' contract with the elf). It's up to you to prove that Wrath was killed by an elf Sharpe for a woman they almost fought for and whom Sharpe now lives with as husband and wife (almost a perversion in "free-love" elven society) - or dig it even further and discover that "perverted" family idea actually came from Wrath, that Sharpe actually never killed him and that the bastard has ''[[SuicideNotMurder committed suicide]]'' solely to frame Sharpe.²* The Lunarians in ''VideoGame/{{Touhou}}'' make a pretty big deal about how disgusting it is that the creatures living on Earth have to kill each other to survive. Of course, that won't stop them from killing anyone on Earth who threatens their own survival on the "deathless" moon. ²* In ''VideoGame/DisgaeaHourOfDarkness'', Flonne the angel trainee [[LoveFreak isn't violent by nature]], but over the course of the plot she won't hesitate to fight both demons and humans. Later in the game she finds herself going against other angels, which horrifies her as it is strictly forbidden by angelic law. When she meets up with the Seraph, she confesses her crimes and accepts the consequences, [[BalefulPolymorph getting turned into a flower]]. However, because she had good reason and the Seraph is a ReasonableAuthorityFigure, her ''real'' punishment is merely to become a FallenAngel, which means [[{{Unishment}} she can stay with her friends]].²* As the Iconians are fleshed out in ''VideoGame/StarTrekOnline'', it comes out that they have an aversion to breaking their Whole by attacking one another. Since there are only twelve Iconians left at this point, and they're all united behind the 'conquer the galaxy' plan, this really doesn't make much of a difference... until ''Midnight'', the final episode of the Iconian War, when it turns out the lost Other the Iconians regard as part of their Whole is in fact none other than [[spoiler: the player character, thanks to a predestination paradox involving time-travel to Iconia's last day.]].²* In ''Franchise/TheElderScrolls'', this is a rule within the Dark Brotherhood, an illegal [[MurderInc organization of assassins]] whose membership mostly takes a [[PsychoForHire sadistic glee]] in killing and who practice a ReligionOfEvil. The [[TheCommandments Tenets]] of the Dark Brotherhood forbid any form of betrayal, disobedience, and theft within the Brotherhood, or else incur the Wrath of [[GodOfEvil Sithis]]. This is obviously relaxed during a [[ThePurge Purification]].²* In ''VideoGame/FireEmblemRadiantDawn'', the dragons in Endgame-3, including the chapter's boss, will not attack your party's dragon characters. Even if they're attacked by your dragons, they won't fight back. This can be abused for LevelGrinding. ²[[/folder]]²²[[folder:Web Comics]]²* In ''Webcomic/DarthsAndDroids'', the Playing Characters not only regard all [=NPCs=] as disposable - either they can be killed for XP, or they're just expendable minions to handle the dangerous jobs - but they actually [[ tell them so]] when speaking in character. Fortunately, Paploo wasn't familiar with role-playing games, so just took offence because he assumed Han was accusing him of being a Non Profit Company - still deeply offensive to a proudly capitalist Ewoc.²* Hyenas from ''Webcomic/{{Digger}}'' are a tribe of hunter gatherers who view non-hyenas as Prey instead of People. If a Hyena is killed hunting prey, the dead's honor is not a major issue. But if Hyena Kills Hyena, then vengeance must be taken, and the status of the original victim is dependent on the status of the one who takes revenge. This comes into play in the plot when Digger, a wombat, [[spoiler:kills a person who killed a hyena, whereupon the killer is revealed to have been another hyena. A friend of the victim tries to keep her friend's status intact by getting Digger officially inducted into the hyena tribe and making the wombat a Person.]]²* In ''Webcomic/SluggyFreelance'', Aylee comes up with [[ this argument]] in the midst of a loyalty tug-of-war between her friends and her race. Thankfully she came to her senses after seeing how readily her race will sacrifice each other for a meal.²* In ''DreamwalkJournal'' killing non-sentient species is justified as long as it's in self-defence. When it comes to sentients, you can rob, cheat and fuck them blind, but causing injury or death is unthinkable.²* In the Dinosaur takeover future arc of ''Webcomic/TheAdventuresOfDrMcNinja'', the dinosaurs would never kill each other (it's unclear how the carnivorous kind normally feeds). This is problematic for the Dino leader as the humans are trying to rescue the one dinosaur that can save them, and he wants to get rid of him. He has to create a BatmanGambit that would have the humans negligently kill their savior. It nearly works.²[[/folder]]²²[[folder:Western Animation]]²* In ''WesternAnimation/TheVentureBrothers'' episode "The Devil's Grip" [[MauveShirt Henchman 21]], who had quit the Monarch's crew, returns to [[SupervillainLair The Cocoon]] to save Dr. Venture. While there, the [[AxCrazy Murderous Moppets]] alert security to have him captured. 21 turns the tables on them by stating the Moppets were responsible for the death of Henchman 24 two seasons ago, [[BattleChant starting a chant of "Hench has killed hench!"]] The security team take up the chant and converge on the Moppets.²** Keep in mind, the henchmen are [[RedShirt pretty much cannon fodder and die on a regular basis]]. Even when [[OneManArmy Brock Samson]] briefly teams up with them and admits he's killed a fair number of them, they treat it nonchalantly, claiming they deserved it and that they love him. [[WeHaveReserves They may be expendable]], but killing each other is [[ThisIsUnforgivable unforgivable.]]²[[/folder]]²²[[folder:Real Life]]²* Sometimes invoked by humans suffering from a case of species CulturalCringe - "At least monkeys don't have wars," etc. Doesn't take them long to be corrected (monkeys in fact ''do'' fight over land and resources, and even commit murder within their own groups, just as humans do). ²* If anything, Nature tends to '''invert''' this trope: members of one's own species, viewed from evolution's purely-pragmatic standpoint, are ''far'' more likely to be in competition for food, territory, and other resources, and are by definition one's ''only'' competitors for mates. An organism that's sufficiently different from one's own kind is at best a potential meal or at worst a potential predator, in which case it's better avoided than fought.²* Oddly enough, one of mankind's two closest relatives, the bonobos, have never been observed killing each other, as they prefer to settle conflicts peacefully (with sex being a particularly favored method). On the other hand, humanity's other closest relative, the chimpanzees, are known to fight wars among themselves, and have even routinely been observed ''eating the children of rivals''.²** The difference is probably due to varying scarcity of resources - bonobos live in more resource-rich habitat than chimpanzees and hence have less need to compete.²[[/folder]]²²----


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