|Scientific Name:||Devario pathirana (Kottelat & Pethiyagoda, 1990)|
Danio pathirana Kottelat & Pethiyagoda, 1990
|Red List Category & Criteria:||Endangered B1ab(iii) ver 3.1|
|Assessor(s):||Devi, R. & Boguskaya, N.|
|Reviewer(s):||Collen, B., Darwall, W., Ram, M. & Smith, K. (SRLI Freshwater Fish Evaluation Workshop)|
D. pathirana has been assessed as Endangered due to its restricted range (less than 5,000 km²), the species is threatened by a decline in habitat quality, and is found in less than five locations, given the main threat of pollution.
|Previously published Red List assessments:|
|Range Description:||This species is known from one area in the Nilwala River basin, in Opatha, Sri Lanka (R. Devi, pers. comm.). The range of this species is an estimated 818 km².|
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||D. pathirana is reported to be numerous within its limited range (Pethiyagoda 1994).|
|Current Population Trend:||Decreasing|
|Habitat and Ecology:||D. pathirana is a pelagic species that occurs in swift flowing streams, with pebble or boulder substrates. It has not been found in silted rivulets flowing into the mainstream. It forms groups of 3-5 individuals slowly moving near the surface.|
|Use and Trade:||This species is collected in moderate numbers from the wild (Froese and Pauly 2006).|
D. pathirana is threatened by pressure from shade loss and agricultural effluents (Pethiyagoda 1994).
During the past two centuries, nearly all the natural forests in this eco-region have been cleared for tea, rubber, and coconut plantations, rice paddies, and human settlements (WWF 2001).
|Conservation Actions:||It is not known if there are any conservation measures in place or needed.|
|Citation:||Devi, R. & Boguskaya, N. 2009. Devario pathirana. The IUCN Red List of Threatened Species 2009: e.T6252A12592248.Downloaded on 15 December 2017.|