Species: Etmopterus virens, Green lanternshark

Etmopterus virens Bigelow, Schroeder & Springer, 1953

Green lanternshark

Body moderately slender; head and snout flattened, at level of eyes head is wider than deep; snout moderately short, its underside WITHOUT denticles; no nictitating eyelids; spiracle large, behind eye; mouth short, at acute angle; upper teeth with a narrow central point plus 2 smaller points on each side, 29-34 rows, lower teeth compressed and blade-like, with small, oblique tips, 24-32 rows; five gill slits, all before pectoral base, very short; two dorsal fins, second >2X area of first, both with long thick grooved spines; first dorsal with origin over inner pectoral margin, center of first dorsal much closer to pectoral fin axil than to origin of the pelvics; space between dorsal fins less than distance from snout to pectoral fin origin; pectoral fin rounded;  no anal fin; fins without  hairy borders; no ridges between pectoral and pelvic fins, no precaudal pits, no keel on tail base; tail long, narrow; tail fin strongly asymmetrical, notch at top; denticles on sides of body with short, stout, hooked, conical points, irregularly & widely spaced, not in rows.