sea serpent

A sea serpent or sea dragon is a type of dragon sea monster described in various mythologies, most notably Mesopotamian (Tiamat), Judaeo-Christian (Leviathan), Greek (Cetus, Echidna, Hydra, Scylla), and Norse (Jörmungandr). Mythology Mediterranean and Western Asia The mytheme, the chief god in the role of the hero slaying a sea serpent, is widespread both in the ancient Near East and in Indo-European mythology, e.g. Lotan and Hadad, Leviathan and Yahweh, Tiamat and Marduk (see also Labbu, Bašmu, Mušḫuššu), Illuyanka and Tarhunt, Yammu and Baal in the Baal Cycle etc. The Hebrew Bible also has mythological descriptions of large sea creatures as part of creation under Yahweh's command, such as the Tanninim mentioned in Book of Genesis 1:21 and the "great serpent" of Amos 9:3. In the Aeneid, a pair of sea serpents killed Laocoön and his sons when Laocoön argued against bringing the Trojan Horse into Troy. Claudius Aelianus on his work On the Nature of Animals mentions the giant sea centipede which has a tail that is similar to a crayfish and moves through numerous feet on each side of its body. Guillaume Rondelet mentions a similar imaginary creature called centipede cetacean in his work L'histoire entière des poissons.