A New Species of Podocerus (Crustacea: Amphipoda: Podoceridae) Associated with the Whale Shark Rhincodon typus

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  • Tomikawa Ko
    Department of Science Education, Graduate School of Education, Hiroshima University
  • Yanagisawa Makio
    Okinawa Churaumi Aquarium, Okinawa Churashima Foundation
  • Higashiji Takuo
    Okinawa Churaumi Aquarium, Okinawa Churashima Foundation
  • Yano Nagisa
    Okinawa Churaumi Aquarium, Okinawa Churashima Foundation
  • Vader Wim
    Tromsø Museum, Department of Zoology, University of Tromsø

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タイトル別名
  • A New Species of <i>Podocerus</i> (Crustacea: Amphipoda: Podoceridae) Associated with the Whale Shark <i>Rhincodon typus</i>

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<p>A new species of podocerid amphipod, Podocerus jinbe, is named and described. This new species was collected from the gill rakers of the whale shark Rhincodon typus Smith, 1828 from off Yomitan Village, Okinawa Island, Japan. This is the first record of an amphipod associated with the whale shark. Podocerus jinbe sp. nov. is morphologically similar to P. zeylanicus (Walker, 1904), but differs from the latter by its larger body size, shorter peduncular article 1 of antenna 1, longer flagellar article 1 of antenna 1, subrectangular propodus of male gnathopod 1, anteriorly concave basis of male gnathopod 2, narrow merus of female gnathopod 2, greater number of robust setae on rami of uropods 1 and 2, and greater number of long robust setae on the telson apical lobe. Additionally, a partial DNA sequence of the mitochondrial cytochrome c oxidase subunit I (COI) of this species was determined for future studies.</p>

収録刊行物

  • Species Diversity

    Species Diversity 24 (2), 209-216, 2019-10-25

    日本動物分類学会

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