著者

Obata Kota Kawai Toshio Takatsu Tetsuya

出版者

北海道大学大学院水産科学研究院

雑誌

北海道大学水産科学研究彙報 (ISSN:24353353)

巻号頁・発行日

vol.71, no.1, pp.15-20, 2021-08-03

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The coloration of small individuals of Nozawa’s prickleback, Stichaeus nozawae is presented for the first time, based on a specimen (112 mm SL) collected by T/S Ushio-maru from the Funka Bay, Hokkaido. The specimen has obscure bands on dorsal, anal, caudal and pectoral fins. Although specimens of comparable sizes (57.4-168 mm SL) have obscure bands on these fins, most larger specimens (252-361 mm SL) have no bands on the caudal and pectoral fins. Most descriptions or images in previous studies, including the original description, were based on large specimens (220-450 mm SL), which have no bands on these fins. Thus, bands on caudal and pectoral fins of S. nozawae tend to disappear with growth

著者

Tatsuta Naoki Imamura Hisashi Nakaya Kazuhiro Kawai Toshio Abe Takuzou Sakaoka Keiichiro Takagi Shogo Yabe Mamoru

雑誌

Memoirs of the Faculty of Fisheries Sciences, Hokkaido University (ISSN:21861927)

巻号頁・発行日

vol.56, no.1, pp.1-64, 2014-05

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A taxonomic examination of 3,108 specimens of mesopelagic fishes, collected around the Ogasawara Islands in December 2010 by a beam trawl net operated from the T/S Oshoro-maru, Hokkaido University, Japan, resulted in the recognition of 99 species representing 34 families and 65 genera. Descriptions are provided for all species, two of them〔 a stomiid Eustomias braueri Zugmayer, 1911 and linophrynid Haplophryne mollis (Brauer, 1902)〕 being new records for Japan. Three species, a stomiid Eustomias sp., trachipterid Desmodema sp. and oneirodid Oneirodes sp., could not be identified at the species level