Author: (Malm, 1861)
Notoscopelus (Notoscopelus) kroeyerii (Malm, 1861)
Status in World Register of Marine Species:
Accepted name: Notoscopelus kroyeri (Malm, 1861) (updated 2009-06-25)
Diagnosis: dorsal finrays 22 (21); anal finrays 19 (18-20); pectoral finrays 12-13. Gillrakers 8 + 1 + 17 (18), total 26 (27). AO 9 (10) + 7 (6-8), total 16 (15-18). Males with large supra-caudal gland only, consisting of 8-9 scale-like luminous segments. Size: to 143 mm.
Habitat: high-oceanic, mesopelagic: day 325 to deeper than 1,000 m; nyctoepipelagic at surface and down to 125 m (maximum abundance at 0-40 m). Reproduction: caudal glands in males develop at 64 mm; size at sexual maturity unknown. Spawns both north and south of the Secondary Polar Front(s) in the North Atlantic.
Distribution: endemic Atlantic: north temperate pattern (boreoarctic subpattern), in eastern sector between 37° N and Arctic Circle and in western sector between 40° and 60° N.
Eggs, larvae and young stages. Tåning, 1918: 103-107, part.
Otoliths (sagitta). No data.