Sea monster accounts are found in virtually all cultures that have contact with the sea. For example, Avienus relates of Carthaginian explorer Himilco's voyage "...there monsters of the deep, and beasts swim amid the slow and sluggishly crawling ships." (lines 117-29 of Ora Maritima).
Rahab- Jewish folklore: a sea monster or water dragon. "The demonic angel of the sea". Represents the primordial abyss, darkness, and chaos. Is associated with the Red Sea.
This sea monster has a head like an oranckl and a body like a gibdju. The best part of this picture, though, is that it demonstrates the size of these monsters.
Sea Monster by soxfox on deviantART
Album of sea monsters I have built over the past year
Reasons I fear the ocean #19.
There's no words for this sea monster. At all. Love it.
The sea monster Charybdis was believed to live under a small rock on one side of a narrow channel. Opposite her was Scylla, another sea monster, that lived inside a much larger rock.