The power to breathe in both water and air. Sub-power of Aquatic Adaptation.

Also Called

  • Amphibian Effect
  • Underwater Breathing/Respiration
  • Waterbreathing


The user can breathe in both water and air and are capable of staying underwater as long as they like and reemerge ready to breathe oxygen again.



  • May have complications when transitioning from water to air.
  • Chemicals/pollutants in water may damage lungs.
  • May have a limited amount of time they can respire air or water.

Known Users



  • Ripjaws (Ben 10)
  • Aerophibians (Ben 10 AF, UA)
    • Jetray
  • Amperis (Ben 10 AF, UA)
    • AmpFibian
  • Kevin 11 (Ben 10)
  • Ditto (Ben 10)
  • Big Chill (Ben 10: Alien Force)
  • Ultimate Big Chill (Ben 10: Alien Force)
  • Water Hazard (Ben 10: Alien Force)
  • Walkatrout (Ben 10: Omniverse)
  • Overflow (Ben 10 Reboot)
  • Sirens (My Little Pony: Friendship is Magic)
  • Cpt. Cutler (Scooby Doo)
  • Mermaid Man & Barnacle Boy (Spongebob Squarepants)
  • Sideshow Bob (The Simpsons)
  • Harmonix and Sirenix Fairies (Winx Club)
  • Genie (Disney's Aladdin)
  • Jafar (Disney's Aladdin)
  • Merfolk (Disney's The Little Mermaid)
    • Ariel
    • King Triton
    • Melody; via Magic
    • Ursula
  • Nessies (Happy Ness: The Secret of the Loch)
  • Fish mane (Mane-online)
  • Serge (Generator Rex)
  • Merliah Summers (Barbie in a Mermaid Tale)
  • Sea monsters (Sofia the First)
  • Stretch Monster (Stretch Armstrong and the Flex Fighters)

Live Television

  • The water demon (Charmed)
  • Lady of the lake (Charmed)
  • Mermaids (Charmed)
  • Kat Gardener (Eastwick)
  • Alex Woolsley (Heroes)
  • Mark Harris (Man from Atlantis)
  • Diana (Mermaids)
  • Venus (Mermaids)
  • June (Mermaids)
  • Anyone who holds on to mermaids (Mermaids)
  • Aquitians (Power Rangers)
  • Dillan (Power Rangers RPM)
  • Anthony Piccolo (Seaquest DSV)
  • Super-soldiers (The X-Files)
  • Marina (Stingray)
  • Aquaphibians (Stingray)

Live Movies

  • Godzilla (Godzilla)
  • Number Seven (I am Number Four)
  • Jennifer Tate (Primal)
  • Madison (Splash)
  • Allen Bauer (Splash); holding onto Madison
  • The Mariner (Waterworld)


  • Pyunma/Cyborg 008 (Cyborg 009)
  • Juvia Lockser (Fairy Tail)
  • Kilala Reno (Kilala Princess); while in Atlantica
  • Rei (Kilala Princess); while in Atlantica
  • Tippe (Kilala Princess); while in Atlantica
  • Kisame Hoshigaki (Naruto); when fused with Samehada.
  • Everyone (Nagi no Asukara)
  • Fishmen (One Piece)
  • Merfolk (One Piece)
  • Water-Type Pokemon (Pokemon)


  • Shadowhunters (The Dark Artifices); via Symbol Magic
  • Angel (Maximum Ride)
  • Max (Maximum Ride)
  • Fang (Maximum Ride)
  • Percy Jackson (Percy Jackson and the Olympians)
  • Pinocchio (Pinocchio)
  • Jiminy Cricket (Pinocchio)
  • Aquarius (Wild Cards series)
  • All SeaWings (Wings of Fire)

Video Games

  • Argonians (The Elder Scrolls series)
  • The Sole Survivor (Fallout 4); via Aquaboy/Aquagirl perk
  • Sora (Kingdom Hearts)
  • Riku (Kingdom Hearts)
  • Donald Duck (Kingdom Hearts)
  • Goofy (Kingdom Hearts)
  • Link (Legend of Zelda); via Zora's clothes
  • Zoras (Legend of Zelda)
  • Blue Pikmin (Pikmin)
  • Rotfishes (Quake Series)
  • Shovel Knight (Shovel Knight)
  • Chaos (Sonic the Hedgehog)
  • All the wisps (Sonic Colours) bestow this upon Sonic the Hedgehog when he is using their abilities.
  • The bubble shield (Sonic 3 & Knuckles/Sonic Generations)
  • Clawgrip (Super Mario Bros. Series)


  • Gali/Gali Nuva (Bionicle)
  • Toa Mahri (Bionicle)
  • Sea trolls (Homestuck)

Known Objects

  • Underwater Materia (Final Fantasy VII)
  • Underwater Breathing Rune (The Dark Artifices)
  • Gillyweed (Harry Potter)
  • Air Necklaces (Sonic the Hedgehog)
  • Gills of Hamachi (Xiaolin Showdown)
  • Air Charm (Archie's Sonic the Hedgehog)
  • Poseidon's trident (God of War series)
  • Magical Seaweed (Barbie: Fairytopia)
  • Rebreather (Fallout: New Vegas)
  • Mind Control Device (Inside)
  • Water Breathing Potions (Minecraft)
  • Starfire Sapphire Gem (Tenko and the Guardians of the Magic)
  • Pearl of Transformation (My Little Pony: Friendship is Magic)
  • Neutronic Air Gum (The Adventures of Jimmy Neutron: Boy Genius)