Photostomias guernei Collett, 1889
Photostomias guernei
photo by Orlov, A.

 Family:  Stomiidae (Barbeled dragonfishes), subfamily: Malacosteinae
 Max. size:  16 cm TL (male/unsexed)
 Environment:  bathypelagic; 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:   (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Luna, Susan M. - 18.02.92
 Modified by: OrtaƱez, Auda Kareen - 21.07.08
 Checked by: Agustin, Liza Q. - 21.07.94

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