Parasaccogaster rhamphidognatha (Cohen, 1987)

Family:  Bythitidae (Livebearing brotulas)
Max. size:  6 cm SL (male/unsexed)
Environment:  bathydemersal; marine; depth range - 210 m
Distribution:  Western Central Atlantic: known from a single specimen taken from off Mississippi Delta, Gulf of Mexico.
Diagnosis:  Dorsal soft rays (total): 77-77; Anal soft rays: 49-49; Vertebrae: 58-58. This species is distinguished from its congeners by the following characters: with antrorse, hook-like projection at the postero-ventral angle of the maxillary; a median spine on frontals above and behind eyes; low number of pectoral fin rays (12); ethmoidal spine is strong; prolonged pectoral peduncle adnate to body; anterior gill arch with 2-3 slightly developed rakers; palatines with a tooth row; short gill filaments on anterior arch, 1-2 times length of developed rakers; vertebrae, precaudal 20, total 58; fin rays, D 77, A 49 and pectoral 12 (Ref. 93007).
Biology:  Rare species, known from a single specimen (Ref. 34024).
IUCN Red List Status: Data deficient (DD); Date assessed: 11 October 2018 Ref. (130435)
Threat to humans:  harmless


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