In perhaps the most graphic form of Kick the Dog, writers often display how vicious, ravenous, or just plain evil a predatory species is, by having the strong among them literally prey upon the weak. While cannibalizing outsiders or eating sentient creatures is nasty enough, doing so to members of one's own social group is indicative of betrayal as well as cruelty, suggesting an evil or Horror Hunger so indiscriminate that no one is exempt. With non-sentient creatures, Monstrous Cannibalism conveys how voraciously hungry the predators are, and may indicate that their species as a whole is starving and desperate. For sentients, it demonstrates a ruthlessness that bodes ill for any other species they interact with: if their instincts or culture make eating their weaker fellows a standard practice, what hope might a stranger have of being spared? In either case, seeing them turn upon their own for food is often what pushes a species over the Moral Event Horizon into being monsters in the eyes of the audience, not just beasts or antagonists. Subtrope of I'm a Humanitarian; often a supertrope to Cannibal Tribe, if the tribe eats its own as well as enemies/strangers. Compare To Serve Man, in which victims from outside one's social group are preyed upon, and No Party Like a Donner Party, in which cannibalism is an abhorrent last resort. Contrast No Zombie Cannibals and Ape Shall Never Kill Ape. May result in a Food Chain of Evil within the group. A common way for the Monster Lord to establish its dominance over its underlings. Sometimes overlapped with Always a Bigger Fish.
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Anime and Manga
- Subverted in InuYasha. When fighting the youkai brother Hiten and Monten, one of them is killed by the team. His brother then seems to eat his brother's corpse. While the main characters think it's hideous that he's eating his brother, he's actually absorbing his brother's powers and the Shikan Jewel Shard embedded in his brother to defeat the people who killed his brother.
- Hiten even says outright that he believes that eating his brother will allow them to be together even after the brother has died. Still gross, but not as depraved as this trope usually is.
- Kyuubey from Puella Magi Madoka Magica combines this with a bizarre case of Autocannibalism when he's shown to devour his own corpse after it gets blasted by Homura and the new one appears. In this case it's half this trope and half of the Incubator's fanatical desire to prevent entropy and avoid wasting energy.
- The titular species from Tokyo Ghoul are stated to engage in it, though attitudes vary heavily about it. Some frown on it, primarily because Ghoul flesh is stated to taste unpleasant, while others take pleasure in hunting weaker Ghouls for sport. It is noted that cannibalism is more common in the most violent Wards, partially because eating their own kind actually increases the cannibal's strength. Some cannibals even experience a mutation, and gain the rare Kakuja-type kagune. In a twist, protagonist Kaneki Ken makes other Ghouls his primary food source after the time skip in order to become more powerful. Others note the serious toll it takes on his sanity.
- Fullmetal Alchemist:
- Pride does this to Gluttony despite them being essentially two parts of the same being
- Another noteworthy situation is Father eating his own discarded skin, while being an entirely black humanoid with only a creepy smile...
- The intelligent undead of Marvel Zombies are quite open about the fact they'd like to devour one another, but are balked from doing so by the fact that zombie flesh tastes unbearably awful to them. A few stubborn ones try anyway, but have to spit out any bites they take out of a fellow-zombie.
- The Hulk of Ultimate Marvel proves itself to be even nastier than the mainstream Incredible Hulk through this. The 616 Hulk rampages but just wants to be left alone. The Ultimate Hulk will eat people alive.
Films — Animated
Films — Live-Action
- In Reign of Fire, the gigantic male dragon pounces on and catches one of the smaller female dragons, presumably to eat. The humans who witness this conclude that the dragons must be starving.
- In Pitch Black, when the last survivors are running to the shuttle, Alien Blood starts falling all around them from the flock of creatures above the canyon. It appears that the ravenous creatures have begun killing and eating one another in midair.
- In the 1959 Journey to the Center of the Earth, one of the pack of Slurpasaurs is killed and devoured by the others.
- In Lord of the Rings, orcs will resort to cannibalism if other meat isn't available. The Two Towers has a scene in which an orc captain executes one of his soldiers for disobedience, then declares "Looks like meat's back on the menu, boys!" as the rest of his men tuck into the corpse. (Averted in the books, where orcs are disgusted by the thought of eating orc flesh, though they have no taboos about eating humans.)
- In the Lost in Space movie, the space spiders immediately eat any of their number who are injured. This turns out to be a Chekhov's Gun when Future!Smith (who's been mutated into a Half-Human Hybrid by being bitten by one) is eaten alive after being stabbed.
"They eat their wounded."
- In Galaxy Quest, when the team comes across a group of blue teletubbie-esque creatures, one of them is injured so is offered some water by its friends, until the others immediately jump it and start to eat it.
- In Pandorum, when Bower, Manh and Nadia kill one of the Hunters, the rest of its pack show up and immediately start to devour its corpse.
- In Jurassic World, the Indominus Rex is revealed to have had a sibling. You get no points for guessing what she did to get it out of the picture...
Owen: What happened to the sibling?
Claire: She ate it.
- HP Lovecraft:
- At the end of "The Lurking Fear", one of the odd-eyed subterranean monstrosities turns on a weaker companion and eats it. To the narrator's eyes, it looks like a routine practice.
- In The Dream-Quest Of Unknown Kadath, it's mentioned that ghouls traditionally eat their own wounded after a battle, although Pickman has been discouraging the practice.
- Taxxons from Animorphs suffer from a Horror Hunger so extreme that they will dive down and eat anything wounded in the area, be it humans, other Taxxons, and of course...
- In Chess With A Dragon, the mantis-like alien race's culture incorporates cannibalism of one's rivals or inferiors, to such a degree that "gracing the table" is a standard penalty for anyone that loses badly while gambling. Two of the ones involved in the novel's conspiracy actually formed their alliance by working together to ensure another's loss at the gaming table, purely because they think the targeted player looks tastier than the others.
- Deconstructed/subverted in Snuff. Goblins are known to eat their young, a fact repeated by the average racist (basically 99% of the Disc's population) to prove they're "evil beasts". What is not widely known is that goblins only do this when faced with famine that would guarantee the death of both mother and child, and that the mother then makes a special pot to contain the child's soul until it can be reborn, hopefully under better circumstances.
- Referenced in Unseen Academicals, in which history depicts the race of orcs as savage warriors that devoured their own dead after a battle. Whether this really happened is unclear, although Nutt's ability to revive when stabbed suggests that fallen orcs vanishing from battlefields because they got back up again may have been misinterpreted as proof they'd been eaten.
- When junior postman Stanley tries to parley with Mr. Grylle in Going Postal, suggesting he use the post office to send a letter to his grandmother, Grylle matter-of-factly replies that he ate his grandmother. The impression conveyed is that wild banshees don't consider this unusual.
- In Beasts of Gor Tarl and his friend are being hunted in the Gorean Arctic tundra by a pack of wild sleen, tenacous hunting mammals with six legs. Tarl's friend sets a trap: a knife with a piece of meat, its hilt frozen in a large slab of ice. One of the sleen bites the meat off the knife, slicing its mouth in the process. It then tries to lick the blood off the knife, slicing its tongue further. The other sleen, smelling blood (literally), kill it and eat it.
- In The Wheel of Time, it is often said that Trollocs "will eat anything, so long as it's meat." They prefer humans, but will eat their own if it's convenient - trollocs are very lazy. This actually works to their advantage in war, because they need no supply lines: after a battle, they just cook up their own fallen.
- In C. S. Lewis's "The Pilgrim's Regress", John and Virtue come upon a dragon hoarding its gold. In the dragon's poem is a line like "At times like these I wish I hadn't eaten my wife." He did so not out of hunger, but out of greed and paranoia regarding the gold.
- In C. S. Lewis' The Screwtape Letters, this is the Lampshaded fate of demons who fail and the ultimate fate of Wormwood (by his uncle Screwtape himself). A demon's natural prey is human souls; eating other demons is their way of filling in the gap and cutting out incompetents.
- The Redwall book Rakkety Tam introduces wolverines as a new villain species. How do we know they're much worse than all the previous series' villains? Because they eat each other! And other beasties too, but of course the whole series is a little vague about that.
- In Jurassic Park, the raptors are seen eating their own wounded, as well as raptor eggs. It's suggested, however, that this was because they were raised in captivity, and that they never did it in the wild.
- In the first Ghost Finders novel, the ravenous shark-vampires turn upon and devour their fellows every time the agents manage to injure or kill one.
- In the Dresden Files novel Turn Coat, the fae spiders threaten Harry on the Way to Edinburgh, so he kills one to make the others back off. As he departs, he notices the others drooling as they gather around their dead comrade; next time he passes by, there's just drained-dry fragments of exoskeleton left there.
- On Primeval, the team catch a baby raptor in a shopping mall, then use it as bait to set up an ambush for an adult that's still on the loose. They expect that, being from the same pack, the adult will come to the crying hatchling's aid, but it pounces on and eats the leashed juvenile instead.
- The Hundjager, from Grimm, are said to consume their mother from inside the womb. They have been shown to be cold, unmerciful, and relentless trackers and assassins who usually work for the Verrat.
- In Supernatural, the Leviathan race are expressly shown to be cannibalistic to emphasize their voraciousness. For instance, the monsters' leader Dick Roman consumes one of his minions alive for losing a holy tablet to the Winchesters.
- The ending of The X-Files episode "Our Town" implies the cannibals ate their leader.
- This trope applies to many evil Dungeons & Dragons races, but is a particular hallmark of sahuagin culture, in which the maxim "Meat is meat" is used to justify their preying upon everything from other races to deformed sahuagin hatchlings to their own dead. Dragon Magazine's article "The Ecology of the Flind" attributed this gnoll subrace's physical superiority and fearsome reputation to their tribes having ritually preyed upon regular gnolls for generations, ensuring only those flinds who could best an ordinary gnoll would ever breed.
- Subverted in depictions of trolls from the Mystara D&D setting. While they readily chomp on one another whenever they're feeling peckish, their regeneration powers ensure that any troll who's nibbled upon will quickly and painlessly recover. It's implied that some man-eating trolls are actually inoffensive by nature, but simply too stupid to grasp that non-trolls they try to make friends with don't like having their arms or legs bitten off.
- Vampire: The Masquerade:
- Vampires can completely consume another vampire's blood to eat their soul and steal their power, which is one of he few ways for a vampires to lower their Generation.note This activity is so common it has its own name: diablerie. This is considered to be the sole irredeemable deed that a vampire can commit, which is also why it's extremely common on the Sabbat side of vamparism.
- The Nosferatu clan lives in mortal terror of a "brother clan", sired by the same Antediluvian, known as the Nictuku, whose raison de etre seems to consist solely of hunting down and eating Nosferatu.
- Vampire: The Requiem:
- In 1st edition, once a vampire hits Blood Potency 6, they cannot sate their thirst on anything less than the blood of other vampires.
- In 2nd edition, this still applies, but vampires can also take a Merit called Unnatural Affinity that lets them consume blood from other supernatural beings as well, and all vampires can take nourishment from "inferior blood" if they're willing to spend Willpower.
- As in Masquerade, vampires can devour each's others souls in an act called diablerie for a power boost.
- The vampire bloodline of the Nosferatu clan called the Noctuku are apex predators to apex predators, preying on other vampires' blood and flesh. While Noctuku are normally loners, they're known to form Cannibal Clans called clutches that systematically prey on other vampires. If their activities are ever discovered, they're hunted by vampires unironically enforcing the double standard that only humans should be hunted and killed. As you might surmise, they're a Mythology Gag/Shout-Out to the Nictuku above.
- Another bloodline, the "En", are also cannibals... but of the megalomaniacal king variety. They gain power over a city and give free reign to their dark appetites, creating children only to feed on them later (unless their child gets the drop on them).
- In the 2nd edition of Werewolf: The Forsaken, Primal Urge inflicts dietary restrictions based on its potency similarly to Requiem's Blood Potency. At the highest level (8-10), one of the few things that a werewolf can eat anymore is the flesh of other werewolves.
- In Warhammer 40,000 the Tyranids consume all lifeforms, including their own units once they're no longer needed.
- Arcanum: The chapter of the manual dealing with Orcs notes that they prefer to cannibalise rather than bury their dead. It's also an accepted orcish custom for an orc mother who gives birth to triplets to present one of the newborns to the father, who eats it in celebration of his own fertility.
- It is implied that Seekers of the Name from Fallen London will eat other humans when their Horror Hunger is out of control. Your character can do it too, if you're a Seeker.
- In Elona, cannibalism causes one to go temporarily insane, unless one undergoes a mutation that makes them OK with eating other people. From that point on, they'll kill and eat anyone they encounter, each other included.
- In Mass Effect 3, you encounter a new type of mooks called 'Cannibal'. Its 'special move' is to eat their own kind in order to restore health, showing how much of an eldritch abomination the reapers have turned them into.
- In Dragon Age, the darkspawn are known to kill and eat each other when there's nothing else available. Even though they don't actually need to eat at all.
- When the Kvrk-chk are introduced in Quentyn Quinn, Space Ranger it's stated that they devour their dead on the spot, at social gatherings it's considered common courtesy to tear off a limb as a gift to the host, and their youngest adults have to disperse far from home every thirteen years to avoid being eaten by their younger siblings. To say nothing of their attitude towards other sapient races.
- Stated to be the case in Drowtales; drow (especially homeless lowborn) will eat each other when desperate enough, and the drow are on dire straits by the time the comic takes place that this is fairly common. All the soft tissues usually pink on a healthy elf are purple from malnutrition; and even clan matriarchs have this.
- In Australia, the decimation of rodents' natural predators in a farming community caused an explosion in the rat population. In desperation and starvation, the stronger rats preyed on weaker ones until they virtually died out.
- Happens often on ships which are adrift. Once the resident rats have eaten all the victuals, they turn upon each other. In the end the rat population will die out by such cannibalistic predation.
- Ant colonies regularly "recycle" injured or dead colony members as food. Averted if a dying ant suffers from an infectious disease its fellows can detect by smell, in which case it's killed and dumped outside the nest to prevent sickness from spreading.
- Older Than Dirt: There is good evidence to suggest that cannibalism happened among many dinosaur species, including the famous Tyrannosaurus rex and Velociraptor. Also, interestingly, inverted by Triassic carnivore Coelophysis; it was once thought that the tiny reptiles found in the stomach of one spectacularly preserved◊ specimen were baby Coelophysis that the adult had cannibalized during a food shortage, but it was later discovered that they were actually small adult reptiles.
- Crocodilians in general are often known to add their own kind to their diet. Normally, the smaller ones stick around those who are roughly their own size and avoid the larger reptiles. Often enough, however, when a bigger crocodile gets ahold of a smaller one...messy cannibalistic eating ensues.