This is a heavy-bodied, big headed lantern shark, with conspicuous lines of large, rough conical denticles on body, not on the head. Their gill openings are very short. Denticles wide-spread, randomly on head but in conspicuous lines on sides; snout mostly bare, except for lateral patches of denticles. Second dorsal fin much larger than the first. They have a short broad tail.

SIZE

Males mature at 20 to 22.7 inches, females mature at 24.5 to 27.3 inches. Pups are born at 6.6 to 7.8 inches long. Their maximum length is uncertain, although it has been reported at 31.6 inches.

COLOR

Is a gray-brown to a brownish-black color with conspicuous black markings on the underside. A short, broad black mark running above and slightly behind the pelvic inner margins, other elongated black marks at the caudal fin base.

FEEDING HABITS

This species feeds on squids and small bony fishes.

BEHAVIOUR

Unknown

HABITAT

South America ( southern Argentina to southern Chile ). They can be found on outer continental shelves and upper slopes, at depths of 721.7 to 2,089.8 feet.

REPRODUCTION

Presumably ovovivaparous.

SHARK ATTACKS

Unknown.

POPULATION REPORT

Not evaluated.