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[[quoteright:348:[[WesternAnimation/{{Shrek}} http://static.tvtropes.org/pmwiki/pub/images/Shrek_01_350_5696.png]]]]
[[caption-width-right:348:Don't say [[http://static.tvtropes.org/pmwiki/pub/images/donkagon_6290.JPG donkagon]]!]]
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A romance, sexual or otherwise, between two different species. Sometimes they are humanoid aliens, and a GreenSkinnedSpaceBabe is involved, or they can be a FriendlyNeighborhoodVampire and a human, two {{Funny Animal}}s, or a BeastAndBeauty couple. The type of species can diverge greatly, so long as they are different.

May include a moral about the FantasticRacism version of inter-racial romances. Also may be StarcrossedLovers, anyone looking for more built in angst will make one of these a MayflyDecemberRomance. In [[MohsScaleOfScienceFictionHardness less realistic]] settings, can easily result in {{Half Human Hybrid}}s or {{Hybrid Monster}}s.

Chances of it actually becoming an OfficialCouple (and evolving into a mixed marriage) are increased if the nonhuman has a [[HumanAliens human form]], although that still doesn't take away the {{Squick}} for a steadfast minority of viewers. Most people accept it, though, if there are ''no'' humans involved, just two different animals. For anthropomorphic animals, this can be a source of FurryConfusion, especially if they're the ''only'' couple seen to be of different species.

For some this is [[BoldlyComing the way to go about First Contact]]. [[AlienInvasion Alien invaders]] seemingly love to tempt humans with this as part of their {{Masquerade}}, although [[HowToInvadeAnAlienPlanet you'd think they'd learn better]].

A lot more likely to happen in fan works (FanFic, WebComics, etc) and more likely to be...um...[[NotSafeForWork NSFW]].

See also: ExtremeOmnisexual; BestialityIsDepraved; MarsNeedsWomen; DivineDate; MagicalGirlfriend; DeusSexMachina; DidYouJustRomanceCthulhu; BoyMeetsGhoul; {{Robosexual}} (for when the "species" barrier is a robot, AI, or other artificial lifeform), and HotSkittyOnWailordAction for when you wonder how these two things could actually reproduce. May involve ExoticEquipment or the MaleToFemaleUniversalAdaptor. May lead to {{Half Human Hybrid}}s or to a NonhumanLoverReveal if one member was keeping secrets. If society does not approve of such romance, then it's also MalignedMixedMarriage. InterspeciesFriendship is the platonic version of this trope.

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!!Examples:

[[index]]
* InterspeciesRomance/{{Advertising}}
* InterspeciesRomance/AnimeAndManga
* InterspeciesRomance/{{Apparel}}
* InterspeciesRomance/ComicBooks
* InterspeciesRomance/{{Fanfic}}
* InterspeciesRomance/{{Film}}
* InterspeciesRomance/{{Literature}}
* InterspeciesRomance/LiveActionTV
* InterspeciesRomance/{{Music}}
* InterspeciesRomance/MusicVideos
* InterspeciesRomance/MythologyAndReligion
* InterspeciesRomance/TabletopGames
** InterspeciesRomance/DungeonsAndDragons
* InterspeciesRomance/{{Theatre}}
* InterspeciesRomance/VideoGames
* InterspeciesRomance/VisualNovels
* InterspeciesRomance/WebAnimation
* InterspeciesRomance/{{Webcomics}}
* InterspeciesRomance/WebOriginal
* InterspeciesRomance/WesternAnimation
[[/index]]

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