Aquatic lifeforms are organisms which live underwater for most or all their lives. Aquatic environments may include the ocean, rivers, lakes, ponds, swamps and wetlands.
All items (500)
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L
- Lake Blob
- Lake Nose Monster
- Lanturn
- Lapras
- Last of the Lily Creatures
- Leedsichthys conviviumbrosia
- Lernaean Hydra
- Leviathan
- Leviathan (Gears of War)
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- Lion's Mane Jellyfish (Big Blue)
- Liopleurodon magicus
- Lizard-lion
- Lobster (Pirates of the Caribbean)
- Loch Ness Monster (Wallace & Gromit)
- Loch Nord Monster
- Lochlady
- Long-Winged Monster Snail (SpongeBob SquarePants)
- Lulu (Land of the Lost)
- Lumineon
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M
- Maccus
- Maelstrom (Ice Age)
- Magenta Jellyfish (Primal)
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- Maine River Crocodile
- Malamagnus vadum
- Man-Eating Catfish (Beneath)
- Manaphy
- Manbomon
- Manray
- Manta (ARK)
- Marax
- MarineDevimon
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- Marty
- Mbielu-Mbielu-Mbielu
- Medusa (The X-Files)
- Mega Piranha
- Mega Shark
- Megalobite
- Megalodon (ARK)
- Mer Creature
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- Merfolk (Siren)
- Merggle
- Mermaid
- Mermaid (Mermaids: The Body Found)
- Mermaid (Monsters Loving Maniacs)
- Mermaid (Ruby Gillman, Teenage Kraken)
- Mermaid (She Creature)
- Mermaid (The Adventures of Puss in Boots)
- Mermaimon
- Merman (Family Guy)
- Mermushroom
- Merpeople (Harry Potter)
- Merpeople (Teenage Mutant Ninja Turtles)
- Milotic
- Miranda and Beki's Leafy Sea Dragon/Human Hybrid
- Mire Squid
- Mizupo
- Mocktopus
- Morey
- MoriShellmon
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- Mosasaurus (Jurassic Park)
- Mosasaurus suspirita
- Multi-Eyed Monster (SpongeBob SquarePants)
- Murderfish
- Murro Atoll Monster
- Ika Musume
- Mutant Crustacean (Generator Rex)
- Mutant Shark (2-Headed Shark Attack)
- Mutant Shark (3-Headed Shark Attack)
- Mutant Snakehead
- Myrka
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P
- Palafin
- Palifico
- Palkia
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- Penrod
- Phaya Naga
- Phione
- Piper
- Piranha (ARK)
- Piranhaconda
- Piranhadon titanus
- Piranimon
- Plankton Monster
- Platimous
- Plesiomon
- Plesiosaur (ARK)
- Plessy
- Pliosaurus (Predator X)
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- Pony (My Little Pony)
- Porcupuffer
- Praxa
- Primarina
- Pteracuda
- Puffy Fluff
- Pukumon
- Purple-Skinned Mollusk (Camp Camp)
R
S
- Sahagin
- Salt-Lion
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- Sand Jelly
- Sangomon
- Satan's Shark
- Scarfish
- Scorpio-pede
- Sea Beast
- Sea Creature (The Cleveland Show)
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- Sea Devil
- Sea Dragon
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- Sea Monster (20,000 Patties Under the Sea)
- Sea Monster (Hilda)
- Sea Monster (Luca)
- Sea Monster (Tales from the Crypt)
- Sea Monster (The Pirates! In an Adventure with Scientists!)
- Sea Mutant
- Sea Rhinoceros
- Sea Serpent (Hilda)
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- Sea Slug (Pirates of the Caribbean)
- Sea Swine
- Sea Urchin Pirate
- Sea Vampire
- Seadramon
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- Seahomon
- Seahorse Pirate
- Seashell Pirate
- Seismitoad
- Servitor
- Shady Shin
- Shark (Malibu Shark Attack)
- Sharkenstein
- Sharkodile (The Loud House)
- Sharktopus
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