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Description |
Geographic Range [top]
Range Description: The species is considered to be restricted to the Mun River drainage, eastern Thailand (Brandt 1974). It has been recorded from the Mun River at Ubon Ratchathani (type locality of P. z. zilchi) and Rasi Salai in Sisaket Province. P. z. reducta is found upstream of the Mun River in the lower Lam Chi River in Maha Sarakam Province.
Countries occurrence:
Native:
Thailand
Additional data:
? Estimated area of occupancy (AOO) - km2: 160
? Number of Locations: 1
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: No information available.
Current Population Trend: Unknown
Additional data:
? Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology: It occurs on sandy ground in rivers. It is found in slow-flowing areas feeding on decaying organic matter.
Systems: Freshwater
Movement patterns: Not a Migrant
Use and Trade [top]
Use and Trade: No information available.
Threats [top]
Major Threat(s):
A dam was built on the Mun River about 30 years ago, with at least twelve further major dams constructed within the Mun River drainage since (International Rivers 2012), and consequently the species may have been impacted by impoundment, changes in flow regimes, and sedimentation. Additional threats include pollution (sedimentation and agricultural) from forest clearance and agricultural activities within the drainage.
Conservation Actions [top]
Conservation Actions: No information available.
Citation: Köhler, F. & Richter, K. 2012. Pachydrobia zilchi. The IUCN Red List of Threatened Species 2012: e.T184855A1757953. http://dx.doi.org/10.2305/IUCN.UK.2012-1.RLTS.T184855A1757953.en. Downloaded on 07 May 2018.
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