Cryptids that live or have been sighted in the ocean or similar environment.
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All items (223)
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
- Az-I-Wu-Gum-Ki-Mukh-'Ti
B
C
F
G
H
L
M
- Makara
- Malpelo Monster
- Manhattan Monster
- Manitou
- Mann Hill Island Carcass
- Marine Lion
- Marvin the Monster
- Masterton Monster
- Matagi Carcasses
- Megalodon
- Melbourne-Hobart Carcass
- Mentigi Monster
- Mermaids (Merfolks)
- Mermaids: The Body Found
- Merman
- Miami Beach Scorpion
- Micro-Mermaid
- Minogame
- Moha Moha
- Monster of Lake Tota
- Monster of Niigata
- Monsters of Pinatubo
- Montauk Monster
- Moore's Beach Monster
- Mora
- Morgawr
- Murex
- Mussie
- Mussie of Kako River
N
O
P
S
- Sakhalin Island Sea Wolf
- Sakhalin Island Woolly Whale
- Salmon mother
- Santa Monica Giant Squid
- Sarmatian Sea Snail
- Sea Monk
- Sea Monster
- Sea Serpents
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- 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
- Southern walrus
- St. Augustine Monster
- Steller's Sea Ape
- Steller's sea cow
- Stronsay Beast