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List of fictional aquatic alien species

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This list of aquatic alien species is limited to species and groups of genetically related extraterrestrial organisms that rely partially or exclusively on inhabiting an aquatic environment, while excluding specific references to individual organisms. This list includes sapient, non-sapient and hybrid forms of aquatic alien species.

Contents

Humanoids

  • Aerophibian (Ben 10: Alien Force)
  • Sea Trolls (violet blood caste or higher) (from Homestuck)

    • Cephalopods

  • Decapodian (Futurama)
  • Starmakers (Courage the Cowardly Dog)
  • Quarren (Star Wars)

    • Cetaceans and reptilians

  • Delphon (The History of the Galaxy)
  • Dolphins (The Hitchhiker's Guide to the Galaxy)
  • Leeran (Animorphs)
  • Gungan (Star Wars)
  • Xindi-Aquatics (Star Trek)

    • Ichthyoids

  • Aurelian (Advent Rising)
  • Antedean (Star Trek)
  • Babel fish (The Hitchhiker's Guide to the Galaxy)
  • Cosmobes (Dan Dare)
  • Drophyd (Ratchet & Clank)
  • Mon Calamari (Star Wars)
  • Piscciss Volann (Ben 10)
  • Selkath (Star Wars)
  • Trilarian (Master of Orion)

    • Invertebrates

  • Fludentri (Ascendancy)
  • Hanar (Mass Effect)
  • Leviathan (Mass Effect)
  • Nommo (Master of Orion)
  • Piscciss Premann (Ben 10)
  • Scorp (The Songs of Distant Earth)
  • Squeem (Xeelee Sequence)
  • "Vortex life forms" (Ecco the Dolphin; assumed to be aquatic)
  • "Yrr" (The Swarm - Frank Schätzing)

    • References

    List of fictional aquatic alien species Wikipedia
    (Text) CC BY-SA