日本初記録の深海性アシロ科魚類ナンヨウフクメンイタチウオ（新称）Bassozetus glutinosus [in Japanese] First record of a deep-sea ophidiid fish, Bassozetus glutinosus, from Japan. [in Japanese]
Access this Article
Search this Article
The glutin assfish (new Japanese name: Nanyou-fukumen-itachiuo) Bassozetus glutinosus (Alcock, 1890) is reported for the first time from Japanese waters, based on three specimens collected from Suruga Bay and the Ryukyu Trench, Japan. The species is distinguishable from all other congeners by the following combination of characters: 120－130 dorsal fin rays; 98－108 anal fin rays; 24－30 pectoral fin rays; 13－15 precaudal vertebrae; 15－21 long gill rakers on first gill arch; 25－35 oblique scale lows between anus and dorsal fin; pelvic fin length 13.6－19.0% of standard length; a significant tooth patch developed on basibranchial; sagitta from posterior ca. 1/3 to anterior region protruding along dorsal margin, its sulcus slightly below center on inner side. A description of the specimens is provided. The two Suruga Bay specimens constitute the northernmost record of the species.
- Japanese Journal of Ichthyology
Japanese Journal of Ichthyology 58(1), 93-97, 2011
The Ichthyological Society of Japan