First Record of Bathyphylax omen Tyler, 1966 from the Western Pacific (Actinopterygii, Tetraodontiformes, Triacanthodidae)

抄録

A specimen (51.4 mm standard length) of the triacanthodid fish Bathyphylax omen Tyler, 1966 collected off central Honshu, Japan is reported with detailed description. This species was previously known only from three specimens collected off Kenya, western Indian Ocean. The present specimen represents the first record of this species from the western Pacific. The newly collected specimen reveals fresh color of this species for the first time. The specimen from Japan was identified as B. omen by its color pattern of the body and the dorsal profile of the snout. Taxonomic comments on distinguishing characters of Bathyphylax bombifrons Myers, 1934 and B. omen are provided.