The Fish Leech Limnotrachelobdella sinensis (Hirudinida, Piscicolidae) Invaded Kyoto Prefecture, Central Japan

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Abstract

Specimens of Limnotrachelobdella sinensis (Blanchard, 1896) were collected from the inner surface of the operculum of silver crucian carp Carassius auratus langsdorfii in the Kizu River, a tributary of the Yodo River, in Kizugawa, Kyoto Prefecture, central Japan in February 2007. This is the first record of L. sinensis in this prefecture. The previous record of the species in Japan was only from the lower reaches of the Yodo River in Moriguchi, Osaka Prefecture during 2000–2005, and the present collection indicates that the leech has been expanding its geographic range in the Yodo River system. Possibility that the species was introduced from outside Japan is discussed.

Journal

  • Biogeography

    Biogeography 11 17-21, 2009-08-20

    日本生物地理学会

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