
Akkorokamui
A colossal red octopus lurking in Funka Bay, revered by the Ainu as both healer and destroyer.
The ocean covers 70% of the planet. Most of it is unexplored. These creatures patrol the deep water, surfacing in sailor accounts and sonar readings across centuries.
17 creatures

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

Georgia's river serpent, a long-necked mystery lurking in the murky Altamaha.

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

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

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

South African legend says the gods made a creature so powerful they had to split it into elephants and snakes.

When devastating storms hit KwaZulu-Natal, the Zulu say a giant winged serpent is rising from the falls.

Nine bodies pulled from a South African river in 1997 were all missing their faces and brains.
A giant serpent of the Australian interior, thick as a tree trunk, still reported near remote waterholes.

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

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

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

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

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

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

An enormous gray creature that churned the White River and earned state legal protection.

Deep in the Amazon, locals say a snake longer than a river is wide guards the waterways.