Species: Etmopterus bullisi, Lined Lantern Shark

Etmopterus bullisi Bigelow & Schroeder, 1957

Lined Lantern Shark

Body slender; head and snout flattened, at level of eyes head is wider than deep; snout bluntly wedge-shaped from above, long, flat; no nictitating eyelids; spiracle large, behind eye; mouth short, at acute angle; upper teeth with a large central point plus 1 (female) to 2 (male) smaller points on each side, 25-30 rows, lower teeth compressed and blade-like, with small, oblique tips, 32-34 rows; five gill slits, all before pectoral base, broad; two dorsal fins, second ~twice area of first, both with long thick grooved spines; first dorsal with origin over inner pectoral margin or free rear tip, fin much nearer pectoral fin axil than to origin of pelvics; space between dorsal fins ~distance between snout tip & 1st gill slit; pectoral broadly rounded; no anal fin; no ridges between pectoral and pelvic fins, no precaudal pits, no keel on tail base; tail fin strongly asymmetrical, notch at top, relatively short (top margin length ~snout tip to pectoral origin); fins without rear fringes; denticles stout, thorn-like, in conspicuous longitudinal rows on head and body, those on sides of body with sharp, curved points, skin feels very rough.

Dark sooty grey; underside abruptly black; a light stripe from between eyes to 1st dorsal fin; a vague yellow spot between eyes; elongate black marks above & behind pelvics, and along tail base, extending onto base of tail fin.; luminescent organs a row of black dots along midline of back from nape to base of tail fin, those sometimes in a white stripe.

Size: 30.3 cm.

Habitat: Continental slopes

Depth: 274-824 m.

SE USA to the southern Caribbean.