The frilled shark has a long, eel-like body that can grow up to 6.5 feet (2 meters) in length. The body is dark brown or gray, with a cylindrical shape that tapers into a flattened tail.

Frilled shark (Chlamydoselachus anguineus ... the Elfin Shark is a rare and elusive species found in the deep waters off Japan. It is distinguished by its smaller size and distinctive snout ...