かごに対するサバフグ類の行動の水中観察 Underwater Observation of Puffer Lagoscephalus Behavior to Pot Trap

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In order to analyze the capturing mechanism of pot traps, fish behavior was observed in and around a trap using an underwater TV system. The behavior pattern was classified as follows: (1) appearing in the camera view, (2) swimming towards the entrance, (3) entering inside the funnel, (4) eating the bait, (5) going backward foward the funnel, (6) passing through the inner opening, (7) swimming out of the camera view.<br>During the 1, 150 min of observed period, total numbers of appearances were 131 times, entering inside the funnel 57 times and capture 3 times, respectively. The puffer swan backward from the funnel by paddling the pectral fins foward the snout of the fish. The capturing mechanism of the fish trap seemed to be affected by the freedom of swimming behavior of puffer fish inside of the funnel.

収録刊行物

  • 日本水産学会誌  

    日本水産学会誌 64(2), 171-177, 1998-03-15 

    日本水産學會

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各種コード

  • NII論文ID(NAID)
    10004852750
  • NII書誌ID(NCID)
    AN00193422
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    00215392
  • NDL 記事登録ID
    4437705
  • NDL 雑誌分類
    ZR26(科学技術--農林水産--水産)
  • NDL 請求記号
    Z18-345
  • データ提供元
    CJP書誌  CJP引用  NDL  IR  J-STAGE 
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