TrachinopsTrachinops, the hulafishes, is a genus of ray-finned fish in the family Plesiopidae, the longfins or roundheads.SpeciesThere are four recognised species in the genus:Trachinops brauni Allen, 1977 Trachinops caudimaculatus McCoy, 1890 Trachinops noarlungae Charles [John Melville Glover|Glover], 1974 Trachinops taeniatus Günther, 1861