A New Species of Osedax (Annelida : Siboglinidae) Associated with Whale Carcasses off Kyushu, Japan

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著者

抄録

A new whale-bone-eating polychaete species of the genus Osedax was found on sperm whale carcasses submerged off Cape Nomamisaki, Kyushu, Japan, at a depth of approximately 200 m. The new species, Osedax japonicus, is the fourth known species of the genus Osedax and the first species from the western Pacific. Female O. japonicus specimens (1) form dense clusters on whale carcasses; (2) have a body composed of crown, trunk, and root structure; (3) lack a digestive tract; and (4) have bacterium-like particles in the tissue of the root structure. Osedax japonicus shares all these characteristics with O. rubiplumus and O. frankpressi, and items (1) to (3) with O. mucofloris. Osedax japonicus is easily distinguished from the other three known species by oviduct morphology, body length, and palp coloration in females. No males of O. japonicus have yet been found.

収録刊行物

  • Zoological science

    Zoological science 23(8), 733-740, 2006-08-25

    社団法人 日本動物学会

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各種コード

  • NII論文ID(NAID)
    110006151757
  • NII書誌ID(NCID)
    AA10545874
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    02890003
  • NDL 記事登録ID
    8063399
  • NDL 雑誌分類
    ZR4(科学技術--生物学--動物)
  • NDL 請求記号
    Z53-Y164
  • データ提供元
    CJP書誌  NDL  NII-ELS  J-STAGE  NDL-Digital 
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