Stenobrachius leucopsarus (Eigenmann & Eigenmann, 1890)
Northern lampfish
Stenobrachius leucopsarus
photo by Bursch, C.

Family:  Myctophidae (Lanternfishes), subfamily: Lampanyctinae
Max. size:  13 cm TL (male/unsexed); max. reported age: 8 years
Environment:  bathypelagic; marine; depth range 31 - 3400 m
Distribution:  North Pacific: Japan to Bering Sea and to northern Baja California, Mexico.
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 13-15; Anal spines: 0-0; Anal soft rays: 14-16; Vertebrae: 35-38. Adipose fin small and slender; pectorals slender and short (Ref. 6885). Gray to dark greenish blue on dorsally, lighter ventrally; black on operculum and fins; golden or claret on photophores (Ref. 6885). Branchiostegal rays: 9-10 (Ref. 31442).
Biology:  Epipelagic to mesopelagic (Ref. 31442). Adults move upward in large numbers at night (Ref. 28499). Feed on fishes, copepods and euphausiids (Ref. 11712). Oviparous, with planktonic eggs and larvae (Ref. 31442). Lipid content is 15.6 % in fresh body weight and wax ester is 90.9 % in total lipids (Ref. 9197). Minimum depth from Ref. 82347.
IUCN Red List Status: Least Concern (LC); Date assessed: 29 June 2018 Ref. (130435)
Threat to humans:  harmless


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