Eyes are located forward, just above the front of the mouth. Teeth have serrated edges, are close together with overlapping bases on the upper front jaw. Blue Shark Prionace glauca Blues are named for their blue coloring. Blue shark sketch. Slender body, with a blue back and white bottom.
Dorsal fin is well behind pectoral fins.
Has a nictitating membrane to protect the eye. Body gradually tapers into tail. Pectoral fins are long , swept back. Tips are usually pointed. Typical sharks tail with upper tail much longer than lower tail.