Diaphus metopoclampus (Cocco, 1829)
Spothead lantern fish
photo by Costa, F.

Family:  Myctophidae (Lanternfishes), subfamily: Diaphinae
Max. size:  9.6 cm TL (male/unsexed)
Environment:  bathypelagic; marine; depth range 90 - 1085 m, non-migratory
Distribution:  Eastern Atlantic: British Isles to Mauritania including western Mediterranean, but isolated specimens to Liberia and South Africa. Western Atlantic: USA to 22°N, and from Brazil to Argentina. Western Indian Ocean: between 0° and 30°S. Western Pacific: between 6°N and 39°N, New South Wales, Australia (Ref. 7300) and New Zealand (Ref. 5755).
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 14-116; Anal spines: 0-0; Anal soft rays: 14-16
Biology:  Oceanic and mesopelagic, found between 375-850 m during the day and between 90-850 m at night (Ref. 4066). Benthopelagic (Ref. 58302). Depth range from 518-1085 m in the eastern Ionian Sea (Ref. 56504). Reach sexual maturity at a length of 4,8 cm (Ref. 47377).
IUCN Red List Status: Least Concern (LC); Date assessed: 10 July 2012 Ref. (130435)
Threat to humans:  harmless


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