Episode 2: How Fast Can a Shark Swim - Sharky.TV

Sharks are a group of elasmobranch fish that have a cartilaginous skeleton and five to seven gill slits on each side of the head. They also have pectoral fins that are separate from the head. Modern sharks belong to the clade Selachimorpha, a subclass of vertebrates that includes rays. Read Full Version: https://sharky.tv/how-fast-can-a-shark-swim/