Sharks (Selachimorpha)
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 fused to the head. Modern sharks are classified within the clade Selachimorpha and are the sister group to the Batoidea.
(Shark Wikipedia)
Sharks I Have
Shark News
- Shark caught off New York had chunk bitten out by an even bigger shark (4/30/24)
- How many shark attacks happen each year, and where are they most common? (6/5/23)
- Scientists test bubbles to scare sharks(6/7/14)
- The ocean’s largest mystery – why has no one seen a whale shark give birth?