Diaphus dumerilii (Bleeker, 1856)
Diaphus dumerilii
photo by JAMARC

 Family:  Myctophidae (Lanternfishes), subfamily: Lampanyctinae
 Max. size:  8.7 cm SL (male/unsexed); max. reported age: 1 years
 Environment:  pelagic-oceanic; depth range 0 - 805 m, oceanodromous
 Distribution:  Eastern Atlantic: Canary Islands (Ref. 6808), 20°N (inshore from 29°N) to about 10°S west of 0°, with disjunct distribution between 14°N and 8°N, but to 23°S east of 0°. Isolates north to off south-west Ireland (Ref. 4775). Western Atlantic: tropical areas but with expatriate extensions to 51°N and 45°S in western boundary currents [(apparently absent over a minimum region off Brazil) according to Ref. 4479 or 4775] (Ref. 4479, 4775). Very rare or absent in the Indo-Pacific. Tropical Indian and Atlantic; east coast of South America (Ref. 47377).
 Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 14-15; Anal spines: 0-0; Anal soft rays: 14-15
 Biology:  High-oceanic and mesopelagic populations are found between 225-750 m during the day (maximum abundance at 450-500 m) and is nyctoepipelagic at surface down to 125 m at night (Ref. 4479). Pseudoceanic and pelagic populations are found in the upper 50 m at night (Ref. 4066). Feeding is acyclic in northwest Africa (Ref. 9198).
 IUCN Red List Status: Data deficient  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Binohlan, Crispina B. - 20.11.92
 Modified by: Bailly, Nicolas - 15.07.13
 Checked by: Garilao, Cristina V. - 06.12.96

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