The armored shark, also known as the black shark, is a species of fish in the armored shark family of the order Squaliformes. The armored shark is distributed worldwide and inhabits the seabed at depths of 200-600 meters (660-1970 feet). The body of the armored shark is quite long, cylindrical in shape; The kiss is very short, and the length of the kiss in front of the eyes is about equal to the eye diameter; The eyes are oval in shape, with a diameter of 1/2 of the length of the kiss in front of the mouth. The upper teeth of the armored shark are pointed, while the lower teeth are leaf shaped. The fish has a dark brown body and a yellow brown belly. Two dorsal fins, relatively small, with a white border on the posterior edge of the fins. The tail fin is black at the end. The body length can reach 182 centimeters. Armored sharks are solitary predators that feed on bony fish, sharks and rays, cephalopods, and crustaceans.