Trigonolampa miriceps

Author: Regan and Trewavas, 1930

Trigonolampa miriceps Regan and Trewavas, 1930

Status in World Register of Marine Species:
Accepted name: Trigonolampa miriceps Regan and Trewavas, 1930 (updated 2009-06-25)

Diagnosis: body moderately long, its depth less than 10 times in SL. Head with moderately long, sloping snout; lower jaw not longer than upper jaw, not curved strongly upward; barbel slightly to considerably shorter than head length, up to 5 times in SL; tip of barbel with a small, spherical or ovoid bulb bearing a distal filament. Pectoral fin with 3-7 rays, all about equal in length, sometimes with a small lump of luminous material near base of first ray; pelvic fins low on body, their insertions close together near mid-ventral line; bases of dorsal and anal fins about equal, their origins approximately opposed; no dorsal adipose fin. Photophores in ventral row between pectoral and pelvic fin insertions (PV) 21-26; post-orbital luminous organ smaller than eye diameter, spherical or ovoid in shape; elaborate development of luminous material above and behind post-orbital organ on side of head, including large patches or stripes extending towards rear of head. Colour: head and body black; often one or two pale lines on flanks, extending as far as between dorsal and anal fin bases. Size: to 32 cm.

Habitat, etc.: see family.

Distribution: north of about 44° N to about 57° N west of the Hebrides and 65° N between Greenland and Iceland. Elsewhere, to the south, one record at 26° N, 16° W and one at 11° N, 24° W; north-western Atlantic not far offshore, from about 37° to 42°N; Southern Ocean south of about 32° S in the subtropical convergence area.

Eggs, larvae and young stages. Beebe and Crane, 1939: 116 | Morrow, 1964: 370.
Otoliths (sagitta). No data.