Combtooth dogfish
The combtooth dogfish is a little-known, deepwater dogfish shark.Description
The combtooth dogfish has no anal fin, grooved dorsal spines, two dorsal fins of about same size, a pointed nose, large eyes, small gill slits, a short abdomen, a short caudal peduncle, and is blackish-brown in color with white-tipped fins. It grows to a maximum of 50 cm.Distribution
It is found in the eastern Pacific and around Hawaii.It is an uncommon deepwater shark found close to the bottom between 400 and 1,145 m.