Sharks are a group of elasmobranch fish which has a cartilaginous skeleton, five to seven gill slits on the sides of the head, and a series of fins. They are in most case, the apex predators, but the commercial shark finning fishery has been devastated the world shark population.

Scientific Classification | Kingdom: Animalia > Phylum: Chordata > Class: Chondrichthyes > Subclass: Elasmobranchii > Infraclass: Euselachii > Superorder: Selachimorpha