Barathronus diaphanus Brauer, 1906

Family:  Bythitidae (Livebearing brotulas)
Max. size:  10.1 cm SL (male/unsexed)
Environment:  bathypelagic; marine; depth range 579 - 2030 m
Distribution:  Indo-West Pacific: Madagascar to Japan and Tonga.
Diagnosis:  Dorsal soft rays (total): 58-73; Anal soft rays: 48-61; Vertebrae: 66-75. s from the other five species of the genus with dark-pigmented peritoneum by the following combination of characters: D 58-73, A 48-61; anterior gill arch with 25-35 long rakers; vertebrae, precaudal 30-35, total 66-75; vomer with 1-5 fangs; paired bulbs at basis of penis not developed; no ventral flexure of anteriormost vertebrae; ripe males have rather thick penis; fresh specimens bright red while preserved ones light-brownish with dark-blue peritoneum; its otolith similar to that of B. bicolor (Ref. 121928).
Biology:  Rare species (Ref. 34024).
IUCN Red List Status: Least Concern (LC); Date assessed: 16 August 2019 Ref. (130435)
Threat to humans:  harmless


Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.