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<p>Recent ichthyological surveys of the warm-water regions (typically 20–30&#xa0;°C, occurring between 100 and 1,000&#xa0;m above sea level; m a.s.l.) of Bhutan resulted in the first record of two stone loaches of the genus <i>Mustura</i> from the country. Based on biometric data, these specimens were identified as <i>Mustura daral</i> and <i>Mustura dikrongensis</i>. The two species were placed under the genus <i>Schistura</i> in previous studies <i>— Mustura daral</i> as <i>Schistura</i> cf. <i>reticulofasciata</i> and <i>Schistura multifasciata</i>, and <i>M. dikrongensis</i> as <i>Schistura scaturigiana</i>. Their identities have been corrected here. Key to the species of the genus <i>Mustura</i> recorded from Bhutan is provided. Future studies are needed to comprehensively elucidate their distribution, ecology, population dynamics, and the presence of syntopic congeners in the Bhutanese river systems. The present findings are based on small sample size (<i>n</i> = 4) and should be interpreted with caution.</p>

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Records of Two Stone Loaches of the Genus Mustura Kottelat (Teleostei: Cypriniformes: Nemacheilidae) New to Bhutan

  • 期刊论文

  • 发表日期：

    2026年3月30日

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  • Laxmi Sagar,
  • Karma Lodhen Wangmo,
  • Dhan Bdr Gurung,
  • Ugyen Dorji,
  • Karma Wangchuk,
  • Hrishikesh Choudhury,
  • Rinchen Dorji,
  • Rupesh Subedi

摘要

Recent ichthyological surveys of the warm-water regions (typically 20–30 °C, occurring between 100 and 1,000 m above sea level; m a.s.l.) of Bhutan resulted in the first record of two stone loaches of the genus Mustura from the country. Based on biometric data, these specimens were identified as Mustura daral and Mustura dikrongensis. The two species were placed under the genus Schistura in previous studies — Mustura daral as Schistura cf. reticulofasciata and Schistura multifasciata, and M. dikrongensis as Schistura scaturigiana. Their identities have been corrected here. Key to the species of the genus Mustura recorded from Bhutan is provided. Future studies are needed to comprehensively elucidate their distribution, ecology, population dynamics, and the presence of syntopic congeners in the Bhutanese river systems. The present findings are based on small sample size (n = 4) and should be interpreted with caution.