アイナメ科魚類の生態 : V.小地域内の異なるすみ場におけるクジメ・アイナメの胃内容物

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  • 金本 自由生
    東北大学農学部水産資源学教室:(現)愛媛大学理学部附属中島臨海実験所

書誌事項

タイトル別名
  • ON THE ECOLOGY OF HEXAGRAMMID FISH : V. FOOD ITEMS OF AGRAMMUS AGRAMMUS (TEMMINCK ET SCHLEGEL) AND HEXAGRAMMOS OTAKII JORDAN ET STARKS SAMPLED FROM DIFFERENT HABITATS AROUND A SMALL REEF
  • アイナメ科魚類の生態-5-小地域内の異なるすみ場におけるクジメ・アイナメの胃内容物
  • アイナメカ ギョルイ ノ セイタイ 5 ショウ チイキナイ ノ コトナル スミ

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抄録

While Agrammus agrammus and Hexagrammos otakii coexisted in the observation area, i.e. around a small reef, the former stayed mainly on the algae growing on rock and the latter lived mainly on sandy bottom and was widely distributed on or under rocks and sandy bottom between rocks. Food compositions of these two species living in their main habitats closely resembled each other, but composition of the stomach contents of the same species from different habitats showed considerable difference, even though for a restricted period. For example, in July, 1974,while the food compositions of H.otakii on sandy bottom resemble those of A.agrammus between rocks and algae, the stomach contents of H.otakii on sand differed from those on rocks and the similar situation was observed for A.agrammus.A.agramnuts, H.otakii and other reef fishes distributied around this reef fed on Gammaridea.

収録刊行物

  • 日本生態学会誌

    日本生態学会誌 29 (3), 265-271, 1979

    一般社団法人 日本生態学会

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