Sea monsters are beings from folklore believed to dwell in the sea and are often imagined to be of immense size. Marine monsters can take many forms, including sea dragons, sea serpents, or tentacled
Picture taken from a Hetzel copy of Twenty Thousand Leagues Under the Seas.
Plate c. 1544 depicting various sea monsters; compiled from the Carta marina.
Sea serpent reported by Hans Egede, Bishop of Greenland, in 1734 (Illustration by artist James Hope Stewart and engraved by William Home Lizars - 1887)
The St. Augustine Monster was a carcass that washed ashore near St. Augustine, Florida in 1896. It was initially postulated to be a gigantic octopus.
In Greek mythology, a Cetus is a large sea monster. Perseus slew a cetus to save Andromeda from being sacrificed to it. Later, before the Trojan War, Heracles also killed one to rescue Hesione. In Gre
Ancient vase motif depicting the Greek hero Perseus fighting a Cetus sea serpent
Ancient Corinthian vase depicting Perseus, Andromeda and Ketos (Names are spelled in the archaic Corinthian variant of the Greek alphabet.)
Ancient Greek mosaic in Kaulon of a cetus sea serpent
Ritual stone palette a Nereid (Sea Nymph) and a Cherub riding a Sea Monster (Ketos). Gandhara.