Utilization of the non-indigenous green mussel, Perna viridis, by the native pinnotherid crab Arcotheres sinensis in Uranouchi Inlet, Kochi, Japan

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概要

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• The green mussel, Perna viridis, is native to the tropical Indo-Pacific region but has recently been introduced worldwide. Although the native mussel populations of P.viridis in India suffer from parasitic effects of the pinnotherid crab Arcotheres placunae, there have been no previous reports of pinnotherid crabs in P.viridis in Japan. We investigated pea crab infections in P.viridis and in the native mussels Hormomya mutabilis, Septifer virgatus, and S.bilocularis in Uranouchi Inlet, Kochi Prefecture, Japan. Results showed that the native generalist pea crab A.sinensis utilized the non-indigenous mussel P.viridis. In P.viridis, condition indices of infested mussels were lower than those of uninfected mussels. The prevalence of A.sinensis in P.viridis was low (1-3%) compared to native mussels: H.mutabilis (13%) and S.virgatus (20%). Septifer bilocularis was free from the pea crab.

著者

• Itani Gyo

  Kochi Univ. Kochi Jpn

• Itani Gyo

  Laboratory Of Marine Symbiotic Biology Faculty Of Education Kochi University

• Yamada Chiharu

  Graduate School of Kuroshio Science, Kochi University

• Asama Hodaka

  Sumiko Techno Research co. ltd.

• Yamada Chiharu

  Graduate School Of Kuroshio Science Kochi University

関連論文

• Utilization of the non-indigenous green mussel, Perna viridis, by the native pinnotherid crab Arcotheres sinensis in Uranouchi Inlet, Kochi, Japan
• A morphometric study of the burrowing mud shrimp Laomedia astacina (Decapoda: Thalassinidea: Laomediidae)
• Utilization of the non-indigenous green mussel, Perna viridis, by the native pinnotherid crab Arcotheres sinensis in Uranouchi Inlet, Kochi, Japan

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