'Copper Mahseer': State Fish of Sikkim


The Sikkim government has declared 'Copper Mahseer' (Neolissochilus hexagonolepis) locally named 'Katley' as the ‘State Fish’.

  • In Sikkim, 'Copper Mahseer' is found in varied altitudes covering entire state predominantly confined in Teesta and Rangit rivers and their tributaries.
  • In the year 2014 the fish was categorized as ‘Endangered’ by the IUCN (International Union for Conservation of Nature).