The skin ranges from dark gray to light gray. There are 48 species of carcharinidae including the tiger shark , Dusky shark , Bull shark , Galapagos shark , Sandbar shark , and many others. A clade of sharks with 5 gill slits, two dorsal fins, an anal fin, no fin spines, the mouth behind the eyes, and nictitating eyelids. They usually have sharp teeth and powerful jaws.
Most carpet sharks are small and have thin, slightly flat bodies.
Most species lay eggs. It has a rounded snout, long pectoral fins, and a dorsal fin with a sharp point. The long, serrated teeth have broad bases, and are able to eat fish, rays, and cephalopods . These sharks have attacked divers on occasion. Females give birth to 4 to 6 pups in each litter.