著者

小泉 雄大 田城 文人

出版者

一般社団法人 日本魚類学会

雑誌

魚類学雑誌 (ISSN:00215090)

巻号頁・発行日

pp.20-021, (Released:2020-09-10)

参考文献数

17

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A single large specimen [197.8 mm standard length (SL)] of the genus Chaunax Lowe, 1846 (Lophiiformes: Chaunacidae), captured during a commercial bottom trawl at a depth of 150–250 m off Cape Daio-zaki, Shima, Mie Prefecture, Japan on November 2016. Lacked markings on the body surface, thereby differing clearly from the three Japanese congeners (Chaunax fimbriatus Hilgendorf, 1879, Chaunax penicillatus McCulloch, 1915 and Chaunax abei Le Danois, 1978) known to date. Subsequently identified as Chaunax apus Lloyd, 1909, the specimen was characterized as follows: body without marking, reddish dorsally and paler ventrally (fresh condition), becoming uniformly whitish (preserved) ; tips of cirri on esca partially dark; dorsal surface of head lacking cirri; head length 39.3% SL; and 3 neuromasts in upper preopercular series, 3 in lower preopercular series, and 15 in pectoral series. The specimen represents both the northernmost and easternmost records of the species in the Pacific Ocean, in addition to being the first from Japanese waters. Intraspecific variation was noted in the count of spinules bridging the lateral-line complex (4–5 pairs in the present specimen vs. usually 3 pairs in previous reports of the species). The need for reconsideration of two of the three species groups recognized in the genus Chaunax [C. abei (including C. apus) and C. fimbriatus species groups] was discussed from the viewpoint of new morphological data obtained from the above specimen. The new standard Japanese name “Akafusen” is proposed for C. apus, in referring to its characteristic body shape and color.

著者

三澤 遼 木村 克也 水町 海斗 服部 努 成松 庸二 鈴木 勇人 森川 英祐 時岡 駿 永尾 次郎 柴田 泰宙 遠藤 広光 田城 文人 甲斐 嘉晃

出版者

一般社団法人 日本魚類学会

雑誌

魚類学雑誌 (ISSN:00215090)

巻号頁・発行日

pp.20-023, (Released:2020-10-02)

参考文献数

192

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New distributional records of forty-five fish species off the Pacific coast of Tohoku District, northern Japan are reported, based on specimens trawled by the R/V Wakataka-maru (Japan Fisheries Research and Education Agency) during surveys in autumn of each year from 1995 to 2019. The records include northern distribution range extensions of 19 species, distribution gaps filled for 17 species, and northern and southern limits along the Pacific coast of Japan for eight and one species, respectively. Twenty-seven species were recorded off Tohoku District for the first time. In addition, taxonomic notes for each species, including some meristic and morphometric data from the collected specimens, are also provided.

著者

奥 香菜美 田城 文人 河﨑 誠記 甲斐 嘉晃

出版者

日本動物分類学会

雑誌

タクサ:日本動物分類学会誌 (ISSN:13422367)

巻号頁・発行日

vol.54, pp.42-48, 2023-02-28 (Released:2023-03-07)

参考文献数

34

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A specimen of Sargocentron rubrum (Forsskål, 1775) and two specimens of Scarus ovifrons Temminck and Schlegel, 1846, caught by local fishermen off the coast of Kyoto Prefecture, Japan in December 2021, represent the first and northernmost records in the Sea of Japan, respectively. Both species are likely to have been transported northwards by the Tsushima Warm Current. Because the two specimens of S. ovifrons were collected at almost the same time in adjacent areas, it is possible that they had been part of an aggregation of individuals. Because S. ovifrons contains a palytoxin-like toxin, great care should be taken to avoid its accidental sale at fish markets.

著者

田城 文人 鈴木 啓太 上野 陽一郎 舩越 裕紀 池口 新一郎 宮津エネルギー研究所水族館 甲斐 嘉晃

出版者

日本動物分類学会

雑誌

タクサ:日本動物分類学会誌 (ISSN:13422367)

巻号頁・発行日

vol.42, pp.22-40, 2017-02-28 (Released:2017-02-28)

参考文献数

146

被引用文献数

10

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More than 1,300 species of fishes have been reported from the Japanese side of the Sea of Japan. However, occurrence records for a great number of these species are not documented by voucher specimens, rendering estimates of the diversity of fishes from this region unclear as to their reliability. Given this situation, ichthyologists at the Maizuru Fisheries Research Station of Kyoto University are central to a research group aiming to provide a more reliable estimate of the diversity of the fish fauna of this region that is based on a reproducible data such as voucher specimens. Here we provide some biogeographic (24 species) and taxonomic (2 species) notes as a preliminary report towards this goal. As a result of new biogeographical findings, 10 species are confirmed from this region for the first time, and the distributional ranges of 14 other species are extended to the east. Most of these 24 species are not residents in the Sea of Japan, rather they are migratory species likely to have drifted from the southward via the Tsushima Warm Current. An unidentified congrid species, Ariosoma sp. and an undescribed cynoglossid species, Symphurus sp., were collected off Kyoto Prefecture. Exact identification of the former species, and a description and formal naming for the latter species, will be the subject of studies conducted in the near future.

著者

松沼 瑞樹 内田 喜隆 田城 文人

出版者

一般社団法人 日本魚類学会

雑誌

魚類学雑誌 (ISSN:00215090)

巻号頁・発行日

vol.66, no.2, pp.253-260, 2019 (Released:2019-11-28)

参考文献数

11

被引用文献数

1

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A single specimen of Scomberoides commersonnianus (Carangidae), previously recorded only from Kagoshima, Miyazaki and Toyama prefectures in Japan, was recently collected off Yamaguchi Prefecture (34˚25.3'N, 131˚21.0'E), southwestern Japan Sea. The newly collected specimen (FAKU 146095, 401.8 mm SL, 424.8 mm FL), representing the fourth Japanese record of the species, was probably transported by the Tsushima Current, flowing northward off the west coast of Kyushu and the Japan Sea coast of mainland Japan. A checklist of 27 carangid fishes found in Wakasa Bay and adjacent waters, central Japan Sea coast of Japan is also provided.