<i>Catoptrus lavicolus</i>, a new species of swimming crab (Crustacea, Brachyura, Portunidae) from shallow subtidal lava rock field at Sakurajima, an active volcano in Kagoshima, southern Japan

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  • Naruse Tohru
    Tropical Biosphere Research Center, Iriomote Station, University of the Ryukyus
  • Uyeno Daisuke
    Graduate School of Science and Engineering, Kagoshima University

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  • Catoptrus lavicolus, a new species of swimming crab (Crustacea, Brachyura, Portunidae) from shallow subtidal lava rock field at Sakurajima, an active volcano in Kagoshima, southern Japan

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Abstract

<p>A new species of swimming crab of the genus Catoptrus A. Milne-Edwards, 1870 (Portunidae) is described from Kagoshima, southern Japan. Catoptrus lavicolus n. sp. was collected from deep inside large lava rocks at shallow subtidal bed of Sakurajima, an active volcano. The new species differs from all seven congeners by a combination of the characters of the carapace, chelipeds and ambulatory legs. Intersex specimens of C. lavicolus n. sp. were observed in this study, while no male specimen has been collected.</p>

Journal

  • Crustacean Research

    Crustacean Research 50 (0), 107-118, 2021-09-30

    Carcinological Society of Japan

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