Photostomias guernei

photo by Orlov, A.

Family:	Stomiidae (Barbeled dragonfishes), subfamily: Malacosteinae
Max. size:	16 cm TL (male/unsexed)
Environment:	bathypelagic; marine; depth range 1138 - 3100 m
Distribution:	Western Atlantic: USA to the Gulf of Mexico (Ref. 4429); reported from the Antilles (Ref. 26340). Eastern Atlantic: southern Portugal to Mauritania. Northwest Atlantic: Canada (Ref. 5951). Indo-Pacific: in tropical and temperate areas (Ref. 559). Southeast Pacific: Chile (Ref. 9068).
Diagnosis:	Dorsal soft rays (total): 22-28; Anal soft rays: 25-32. This species is distinguished by having 2 pairs of basibranchial tooth patches; D 23-26, A 27-30, the sum of dorsal- and anal-fin rays 50-56; male postorbital organ length moderate, specimens greater than 6.0 cm, 45.5-144.5% fleshy orbit, 7.8-28.1% jaw length (JL); male anterior orbital organ length moderate, specimens greater than 6.0 cm, 4.5-21.7% fleshy orbit, 0.8-4.9% JL (Ref. 75669)..
Biology:	Mesopelagic species (Ref. 4469). Minimum depth from Ref. 58018.
IUCN Red List Status:	Least Concern (LC); Date assessed: 20 May 2013 Ref. (130435)
Threat to humans:	harmless

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