Records of <i>Eustomias gibbsi</i> (Stomiiformes: Stomiidae: Stomiinae) from Japan

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  • Ishikawa Jinpei
    東海大学海洋学部海洋生物学科
  • Ohashi Shinpei
    国立研究開発法人水産研究・教育機構国際水産資源研究所かつお・まぐろ資源部かつおグループ
  • Tanaka Fumiya
    国立研究開発法人水産研究・教育機構国際水産資源研究所かつお・まぐろ資源部かつおグループ
  • Kiyofuji Hidetada
    国立研究開発法人水産研究・教育機構国際水産資源研究所かつお・まぐろ資源部かつおグループ
  • Nakayama Naohide
    東海大学海洋学部海洋生物学科

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Other Title
  • ホテイエソ亜科魚類<i>Eustomias gibbsi</i>の日本周辺海域における新たな記録
  • ホテイエソ亜科魚類Eustomias gibbsiの日本周辺海域における新たな記録
  • ホテイエソ アカギョルイ Eustomias gibbsi ノ ニホン シュウヘン カイイキ ニ オケル アラタ ナ キロク

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Abstract

<p>Six specimens (101–152 mm standard length, SL) of the dragonfish Eustomias gibbsi Johnson and Rosenblatt, 1971 were collected from off Okinotori-shima Island, Japan, at depths of 110–160 m. The species is distinguished from its congeners by the following combination of characters: pectoral fin well developed, with 3 soft rays; pelvic fin with 7 soft rays; no prominent midventral groove posterior to pectoral-fin bases; barbel lacking external pigment nor row of black spots; barbel length 24.9–52% SL; terminal bulb single, unbranched basally, with black cap covering its base; terminal filament single, without bulbs or filaments; second mandibular teeth longer than first; and short posteriorly directed projection on anterior margin of fleshy orbit. Although one of the paratypes of E. gibbsi was collected within the Japan’s EEZ, the record has been overlooked by subsequent Japanese authors. The new standard Japanese name “Kanmuri-hoshieso” is proposed for the species.</p>

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