Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not
Seahorse (also written sea-horse and sea horse) is the name given to 45 species of small marine fish in the genusHippocampus. “Hippocampus” comes from the Ancient Greek hippokampos (ἱππόκαμπος hippókampos), itself