In Greek mythology, the hippocamp or hippocampus (plural: hippocamps or hippocampi; Greek: ἱππόκαμπος, from ἵππος, "horse" and κάμπος, "monster"), mythological creature often called a sea-horse in English. The Hippocamp is included in Phoenician mythology, and was also adopted into Etruscan mythology. It is also known as Hippocampi.