Cryptid Vault
All Cryptids

Ocean Cryptids

15 creatures found in ocean habitats.

Megalodon

Megalodon

High

The largest shark that ever lived went extinct 3.6 million years ago, unless the deep ocean is hiding something.

Debunked/disputedOceania / North America / South America / Africa
Kraken

Kraken

High

The ship-swallowing sea beast of Norse legend, now partially explained by giant squid.

Debunked/disputedEurope
Nuckelavee

Nuckelavee

High

A skinless horse-rider hybrid rises from the ocean around Orkney, and its breath alone can wilt crops and sicken entire islands.

Folklore onlyEurope
Each-Uisge

Each-Uisge

High

This shape-shifting water horse of Scottish lochs lures riders onto its back, then drags them to a watery death.

Folklore onlyEurope
Ningen

Ningen

Unknown

A ghostly white humanoid shape rising from Antarctic waters, seen by Japanese fishermen.

Eyewitness reportsOceania
Gloucester Sea Serpent

Gloucester Sea Serpent

Low

Hundreds of witnesses watched a giant serpent patrol Gloucester Harbor for weeks in 1817.

Repeated sightingsNorth America
Morgawr

Morgawr

Low

A humped sea serpent has been spotted off the coast of Cornwall since the 1900s, sometimes close enough to shore that beachgoers scatter.

Photo/video claimsEurope
Akkorokamui

Akkorokamui

High

A colossal red octopus lurking in Funka Bay, revered by the Ainu as both healer and destroyer.

Eyewitness reportsAsia
Cadborosaurus

Cadborosaurus

Low

A horse-headed sea serpent weaving through the waters of the Pacific Northwest.

Physical evidence claimsNorth America
Taniwha

Taniwha

High

Sacred water guardians of Maori tradition that shape rivers, protect tribes, and sometimes drag the unwary to their doom.

Folklore onlyOceania
Steller's Sea Cow

Steller's Sea Cow

Low

Hunted to extinction just 27 years after Western science discovered it, some believe pockets of this gentle giant survive in remote Arctic waters.

Eyewitness reportsAsia / North America
Trunko

Trunko

Unknown

A massive white carcass with an elephant-like trunk that washed ashore in South Africa.

Photo/video claimsAfrica
Globster

Globster

Low

Massive, fleshy, unidentifiable masses that wash ashore worldwide, defying easy explanation until the lab results come in.

Physical evidence claimsOceania / North America / South America / Europe / Asia / Africa
Con Rit

Con Rit

Unknown

A segmented, armored sea creature with dozens of lateral fins, washed ashore in Vietnam in 1883.

Physical evidence claimsAsia
Ri

Ri

Low

A marine humanoid reported by fishermen in New Ireland, with a woman's upper body and a fish-like lower half.

Eyewitness reportsOceania

Other Habitats