Cadborosaurus is a sea monster from North American folklore.


The Morgawr is an alleged sea monster in the folklore of Cornwall, South West England. Morgawr means “sea monster” or “sea giant” in the Cornish language.


The Akkorokamui is a sea monster from Ainu folklore. The Ainu regard it as a water spirit or deity.

Canvey Island Monster

The Canvey Island Monster is an unidentified marine species whose carcass washed up on Canvey Island, Essex County, England, in the 1950s.