Buldowskia shadini (Unionidae) first identified in northeastern Japan

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Other Title
  • ヤハズヌマガイ Buldowskia shadini (イシガイ科) の東北地方における初確認

Abstract

A freshwater mussel, Buldowskia shadini, recently confirmed to occur in Japan, has been identified for the first time in the Tohoku region (Tarumizu Dam in southern Miyagi Prefecture). A mussel species morphologically similar to B. shadini was previously observed at this site in 2005, and three individuals collected at this site in 2023 were identified as B. shadini through morphological and genetic analysis. The Tarumizu Dam, completed in 1977, is located in a mountainous area and the watershed is not a habitat for the mussel species that inhabit lentic waters. It was considered possible that B. shadini was accidentally introduced with game fish such as largemouth bass Micropterus nigricans.

Journal

  • Aquatic Animals

    Aquatic Animals 2024 (0), AA2024-6-, 2024-03-09

    Aquos Institute

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