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Mouthpart morphology and wild diet of zoeae of the ghost shrimp, Nihonotrypaea harmandi (Decapoda: Axiidea: Callianassidae)


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タイトル: Mouthpart morphology and wild diet of zoeae of the ghost shrimp, Nihonotrypaea harmandi (Decapoda: Axiidea: Callianassidae)
著者: Somiya, Rei / Suzuki, Toshikazu / Tamaki, Akio
発行日: 2014年
出版者: Crustacean Society
引用: Journal of Crustacean Biology, 34(3) , pp.300-308; 2014
抄録: To infer diet and feeding mode of zoea of Nihonotrypæa harmandi (Bouvier, 1901), fine functional morphology of the mouthparts and composition of undigested remnants of ingested prey organisms contained in the gut were investigated. A mesh-like structure was observed for the coxal and basal endites of the maxilla, which would be suitable for filter feeding. The mandible edge is equipped with many fine processes and resembles the mandible edge of herbivorous copepod. Abrasion of the incisor processes, which must be caused by frequent mastication of planktonic diatoms, was recognized within a molting interval. Furthermore, diatom frustules and their crushed fragments were frequently observed in the gut contents. These observations indicate that zoea of N. harmandi may regularly feed on phytoplankton, especially diatoms.
キーワード: gut contents / mouthpart morphology / nihonotrypæa harmandi / planktonic diatoms / zoeal stage
URI: http://hdl.handle.net/10069/34750
ISSN: 02780372
DOI: 10.1163/1937240X-00002237
権利: © Copyright 2014 by The Crustacean Society. Published by Brill NV, Leiden.
資料タイプ: Journal Article
原稿種類: author
出現コレクション:085 学術雑誌論文

引用URI : http://hdl.handle.net/10069/34750

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