書誌事項
- タイトル別名
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- Use of the first dorsal fin ray as a lure by the bothid flouder, Asterorhombus intermedius
- セイテンビラメ ノ セビレ ダイ1 ナンジョウ ノ ルアー トシテノ ヤクワリ
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We investigated the feeding behavior and use as a lure of the first dorsal fin ray of the bothi flounder, Asterorhombus intermedius toward prey goby fish (Acentrogobius pflaumii, Favonigobius gymnauchen) in Kagoshima, Japan. The distal two thirds of the first dorsal fin ray of the flounder bears membranous flaps. In an aquarium with 1 or 2 prey fish, the flounder waved its first dorsal fin ray repeatedly around the mouth when a prey fish approached. The effect of amputating the first dorsal fin ray on attracting prey fish was then tested. The number of prey fish that approached decreased significantly after amputation. Thus the movement and morphology of the first dorsal fin ray of the flounder mimics an annelid worm or crustacean, and acts as a lure for prey fish.
収録刊行物
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- 日本生態学会誌
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日本生態学会誌 48 (2), 117-121, 1998
一般社団法人 日本生態学会
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詳細情報 詳細情報について
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- CRID
- 1390001204291207040
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- NII論文ID
- 110001880961
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- NII書誌ID
- AN00193852
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- ISSN
- 2424127X
- 00215007
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- NDL書誌ID
- 4546323
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可