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Author: (Goode & Bean, 1896)

Lampanyctus macdonaldi (Goode & Bean, 1896)

Diagnosis: North Atlantic population: dorsal finrays 14 (13-15); anal finrays 17 (15-18); pectoral finrays 13 (12). Gillrakers 7 (6- 8) + 1 + 16 (14-18), total 24 (21-26). AO 7 (6-8) + 7 (6-8), total 14 (13-15). South Atlantic population: dorsal finrays 15 (14-16); anal finrays 17-18 (16-19); pectoral finrays 12-13 (14). Gillrakers 8 (9, rarely 10) + 1 + 17-18 (16, rarely 15, 19 or 20), total 26 (25-28, rarely 24, 29 or 30). AO 7 (6-8) + 7 (8, rarely 6), total 14 (15, rarely 13 or 16). Size: to 160 mm (North Atlantic) and 130 mm (South Atlantic).

Habitat: high-oceanic, mesopelagic: day at 550 to deeper than 1,000 m; night at 60-175 m (juveniles) and adults in upper 300 m (North Atlantic) and deeper than 800 m (South Atlantic). Food: no data. Reproduction: size at sexual maturity unknown.

Distribution: Atlantic: bitemperate pattern, between about 65° and 47° N (North Atlantic) and between the Subtropical Convergence and the Antarctic Polar Front (South Atlantic). Circumglobal in southern hemisphere between the Subtropical Convergence and the Antarctic Polar Front.

Eggs, larvae and young stages. No data.
Otoliths (sagitta). No data.

Lampanyctus macdonaldi