Carcharhiniformes

Carcharhiniformes
The Blacktip reef shark, Carcharhinus melanopterus, is one of the many types of Ground Sharks.
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Subclass:	Elasmobranchii
Superorder:	Selachimorpha
Order:	Carcharhiniformes

Carcharhiniformes is the largest order of sharks. Also known as Ground sharks or Whaler sharks, this group contains over 270 species of shark. It includes some common ones like the Blue shark, Bull shark, Tiger shark and the hammerhead sharks.

Ground sharks have a special membrane which protects their eyes when needed. They have two dorsal fins, an anal fin, and five gill slits.

Ground sharks are found in open oceans, seas, estuaries, and brackish waters.