Barathronus roulei Nielsen, 2019

Family:  Bythitidae (Livebearing brotulas)
Max. size:  10 cm SL (male/unsexed)
Environment:  bathypelagic; marine
Distribution:  Northeast Atlantic: Azores.
Diagnosis:  Dorsal soft rays (total): 71-71; Anal soft rays: 66-66; Vertebrae: 82-82. This species is distinguished from its congeners by the following set of characters: D 71, A 66; precaudal vertebrae 34, total 82; origin of dorsal fin above vertebra 29; anterior gill arch with 26 long rakers; peritoneum dark; paired bulbs at basis of penis not developed; no ventral flexure of anteriormost vertebrae; vomer with one fang in each side and 2–3 small, pointed teeth in between (Ref. 121928).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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