Halieutopsis okamurai Ho, 2021
Okamura's deepsea batfish

Family:  Ogcocephalidae (Batfishes)
Max. size:  6.5 cm SL (male/unsexed)
Environment:  bathydemersal; marine; depth range - 1950 m
Distribution:  Northwest Pacific, Japan.
Diagnosis:  This species is distinguished by the following characters: dorsal surface of disk and tail are covered with moderate-sized tubercles; tubercle on rostrum is small and low, bearing some small spinules at its base; simple tubercles on disk edge forming a serrated margin; ventral surface naked except for two tubercles on each side of the pelvic fin bases; tubercles on tail associated with lateral-line neuromasts bifurcate; one or two lateral-line neuromasts on each side; skull length 27.4% SL, eye diameter 7.1% SL, illicial cavity width 8.8% SL, mouth width 19.4% SL, upper jaw length 10.6% SL, predorsal length 62.2% SL, postanal length 51.7% SL, preanal length 70.0% SL, dorsal-fin length 14.6% SL, pectoral-fin length 20.0% SL, anal-fin length 14.2% SL, caudal-fin length 17.1% SL.(Ref. 127411).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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