ハワイ産2種の淡水エビ

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タイトル別名
  • TWO SPECIES OF THE HAWAIIAN FRESH-WATER SHRIMPS
  • ハワイサン 2シュ ノ タンスイ エビ

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抄録

The Board of the Crown Prince's Household of Japan was kind enough to send the author 13 living specimens of the Hawaiian fresh-water shrimps for his study, in February, 1975. According to the information from the Board, their localities are unknown in detail. As the result of the author's examination of those shrimps, it is found that 12 specimens belong to Caridina acuminata which has been reported from Bonin Islands (STIMPSON, 1890) and Ito, Sagami Bay, Japan (BALSS, 1914), and that 1 specimen, to Macrobrachium lar distributed ,widely throughout the Indo-West Pacific region from E. Africa to the Riukiu Islands, Micronesia and Marquesas Island. Their body-length excluding rostrum : the former specimens are 14.5, 15, 16, 17mm respectively in female and 13.5mm in male, and the latter, very young male, 24mm. So far as the author knows both the said species have not hitherto been recorded from the Hawaii Islands. The colouration of C. acuminata is Characteristic as follows : marked with many dark brown coloured spots which being arranged longitudinally in two rows over the lateral surface of the abdomen. The upper row is variable to the streak. The dactylus of the fifth leg is furnished with 8 to 15 bristles on the posterior margin.

収録刊行物

  • 甲殻類の研究

    甲殻類の研究 7 (0), 23-28a, 1976

    一般社団法人 日本甲殻類学会

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