Author: Goode and Bean, 1896
Diaphus lucidus Goode and Bean, 1896
Status in World Register of Marine Species:
Accepted name: Diaphus lucidus (Goode and Bean, 1896) (updated 2009-06-25)
Diagnosis: dorsal finrays 17 (18, rarely 16), anal finrays 18 (17, rarely 19); pectoral finrays 11 (12). Gillrakers 5 (rarely 6) + 1 + 11 (10-12), total 17 (16-18, rarely 19). AO 7 (8, rarely 6) + 5 (4), total 12 (11, rarely 10 or 13). Size: to 118 mm.
Habitat: high-oceanic, mesopelagic: day at 425-750 m; night at 40-550 m (maximum abundance below 200 m). Size stratification with depth both day and night. Food: no data. Reproduction: sexually mature from about 90 to 100 mm.
Distribution: Atlantic: broadly tropical pattern (thermophilic eurytropical subpattern), between 40° N and 7° S (western sector), but with isolated specimens to 39° S, and between 34° N and 13° S (eastern sector and in Agulhas water pockets in eastern South Atlantic; absent in upwelled water between 17° and 11° N off West Africa. Elsewhere: Indian Ocean: in equatorial waters and west of 70° E to about 36° S in the Agulhas Current. Pacific: South-East Asian Seas and north to 8° N (western sector) and in equatorial waters eastwards to 126° W.
Eggs, larvae and young stages. No data.
Otoliths (sagitta). Kotthaus, 1972a: 12, 26, fig. 67.