This is the category of Cryptids that have lived or have been seen in a marine aquatic environment. An aquatic environment consist of an ecosystem dependent (or partially independent) of some body of water. The two main types of aquatic ecosystems are marine ecosystems and freshwater ecosystems (including lakes, rivers, streams and other
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Ningen -
Organism 46-B -
Black Demon -
Bloop -
Á Bao A Qu -
Fiji Mermaid -
Ziphius (Cuvier's Beaked Whale) -
Corfu Island Creature
All items (202)
A
- A-Mi-Kuk
- Aberdeen Carcass
- Adaro
- Ah-Een-Meelow
- Akhlut
- Akkorokamui
- Alaskan Giant Polar Bear
- Alien Spores
- Alula Whale
- Amabie
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- Asian Mermaids (Matsyāṅganā and Ningyo)
- Ataka Carcass
- Auli
- Australian Enigma
- Australian Snubfin Dolphin
- Avagrah
B
- Bahamut
- Bake-Kujira
- Bakunawa
- Barmouth Monster
- Basilosaurus
- Bear Lake Monster
- Beebe's Abyssal Fishes
- Bermuda Beast
- Bermuda Blob
- Black Demon
- Bloop
- Bobo
C
- Cadborosaurus willsi
- Caleuche
- Camahueto
- Canadian and Cuban Albino Shark
- Canvey Island Monster
- Cape Sable Serpent
- Carnival Cruise Monster
- Cassie
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- Chessie
- Chilean Blob
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- Colossal Squid
- Con Rit
- Conakry Monster
- Corfu Island Creature
- Creatures of the Deep Sea
D
E
F
- Fiji Mermaid
- Fish-man of Liérganes
- Five-Striped Abyss Fish
- Floridian Marine Reptiles
- Four Mile Globster
- Fur-Bearing Trout
G
- Gajah Mina
- Gambo
- Gensou Hyouhon Hakubutsukan
- Giant Acorn Worm
- Giant Catfish
- Giant Dragonfish
- Giant Jellyfish
- Giant Scuttles
- Giant Squid
- Giant Triops
- Giglioli's Whale
- Gloucester Sea Serpent
- Grotte Cosquer Animal
- Gryttie
H
- Halibut Mother
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- Hawaiian Monk Seal
- Hebrides Blob
- Helena Manatee
- High-Finned Sperm Whale
- HMS Daedalus Serpent
- Hook Island Sea Monster
- Hrökkáll
- Hydrarchos
I
J
K
L
- Lake Elsinore Monster
- Lake Tianchi Monster
- Large Antarctic Sea Mammal
- Leuce
- Leviathan
- List of Globsters and Blobs
- Lotan
- Lusca
- Luting Fish
M
- Makara
- Malpelo Monster
- Manhattan Monster
- Manitou
- Mann Hill Island Carcass
- Marine Lion
- Masterton Monster
- Matagi Carcasses
- Megalodon
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- Mermaids (Merfolks)
- Merman
- Miami Beach Scorpion
- Micro-Mermaid
- Minogame
- Moha Moha
- Monster of Lake Tota
- Monsters of Pinatubo
- Montauk Monster
- Moore's Beach Monster
- Mora
- Morgawr
- Murex
- Mussie
N
O
P
Q
R
S
- Sakhalin Island Sea Wolf
- Sakhalin Island Woolly Whale
- Salmon mother
- Santa Monica Giant Squid
- Sarmatian Sea Snail
- Sea Monk
- Sea Monster
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- Sea serpents
- Sea Swine
- Sea-dog
- Seal Rock Sea Monster
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- Seljordsormen
- Shachihoko
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- Shore Laddie
- Sirena (Philippine mythology)
- Sisiutl
- Siyokoy
- Skeljaskrímsli
- Slow Down
- St. Augustine Monster
- Steller's Sea Ape
- Steller's sea cow
- Stronsay Beast
T
- Tasmanian Blobs
- Te Wheke-a-Muturangi
- Tecolutla Monster
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- Three-Starred Anglerfish
- Timor Sea Ground Shark
- Trunko
- Tullimonstrum
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U
V
W
Y
Z
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