Enlarged distribution of <i>Nipponocypris temminckii</i> as a domestic alien fish

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  • 国内外来魚カワムツ<i>Nipponocypris temminckii</i> の分布拡大
  • 国内外来魚カワムツNipponocypris temminckiiの分布拡大
  • コクナイ ガイライギョ カワムツ Nipponocypris temminckii ノ ブンプ カクダイ

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<p>The distribution of Nipponocypris temminckii was investigated in 24 rivers in Nagano, Niigata, Yamagata, Akita, Iwate, and Aomori Prefectures, the species being collected at seven study sites. Amongst non-benthic fishes, N. temminckii was exclusively dominant in two rivers. Supplementary records of the species in Nagano, Niigata, Akita and Iwate Prefectures were also described. Rivers in which investigations had been conducted over two or three years showed an increasing proportion of N. temminckii, indicating successful colonization of the species.</p>

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