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Genetic and morphological characteristics and distribution of the ayu Plecoglossus altivelis in the northern Ryukyus



Genetic and morphological characteristics and distribution of the ayu Plecoglossus altivelis in the northern Ryukyus



Nippon Suisan Gakkaishi = Bulletin of the Japanese Society of Scientific Fisheries 59(2): 191-199



The ayu population in the middle of the Ryukyu archipelago was recently found to differ considerably from that in mainland Japan, and has been described as a subspecies (Plecoglossus altivelis ryukyuensis). Little is known about the distribution ranges of the nominotypical and the Ryukyuan subspecies. Observations in northern Ryukyus showed that the ayu also occurs in a few streams with relatively long middle reaches on Yaku Island, but none inhabit Nakanoshima Island.

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Accession: 002390351

Download citation: RISBibTeXText

DOI: 10.2331/suisan.59.191



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