Leviathan (lev ī u thun)
Monster Type: Cryptid
Location: Ocean, Unknown
Leviathan is a great beast of the sea. Legends tell of a fish or whale so large, it could swallow ships whole. Many tsunami have been blamed on the Leviathan stirring deep beneath the surface.
There are no credible account of Leviathan appearing in modern times. This monster is believed to be extinct.
100 Monsters, But I Am Not Afraid – ebook and monster encyclopedia available September 2014.