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Description |
Geographic Range [top]
Range Description: This species is only known from the Pahang River system in Pahang state, Peninsular Malaysia (Köhler and Glaubrecht 2006).
Countries occurrence:
Native:
Malaysia (Peninsular Malaysia)
Additional data:
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: There is no population information available, although this species is likely to be both rare and restricted as it has been little recorded despite a distinctive shell morphology. This is unlikely to be due to limited sampling effort as it occurs in sympatry with a very abundant species that has been recorded regularly in the Pahang River system, Brotia episcopalis H. Lea & I. Lea, 1851 (Köhler and Glaubrecht 2006).
Current Population Trend: Unknown
Additional data:
? Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology: This species is only found on rocks in rapids (Köhler and Glaubrecht 2006). Species of this genus are known to inhabit mountain streams and are not usually found in the lower courses of rivers (F. Köhler pers. comm. 2010).
Systems: Freshwater
Threats [top]
Major Threat(s): Water abstraction for rice paddy irrigation along the Pahang River is likely to be a minor problem, being mainly small in scale. River water is also used for other agricultural activities (rubber and oil palm plantations), and for domestic and industrial consumption (Tachikawa et al. 2004).
However, due to increasing water demands elsewhere in Malaysia, a large-scale project is being undertaken to transfer water from the Pahang basin to the Langat River (the Pahang-Selangor Interstate Raw Water Transfer system; Weng and Mokhtar 2009). This is projected to divert up to 4,000 million litres per day from the Pahang, which has a total water capacity of 8,500 million litres per day. This is likely to further degrade the water quality of the Pahang River, which is already under increasing population pressure from recent immigration, and suffers from pollution due to discharged waste water from the rubber and oil palm plantations (Weng and Mokhtar 2009).
Conservation Actions [top]
Conservation Actions: There are no species-specific conservation measures in place for this species, although its range falls within Taman Negara National Park in Pahang (Köhler and Glaubrecht 2006). Further work is recommended on population size and trends, as well as threats facing this species.
Citation: Rintelen, T. 2011. Brotia kelantanensis. The IUCN Red List of Threatened Species 2011: e.T189114A8685347. http://dx.doi.org/10.2305/IUCN.UK.2011-2.RLTS.T189114A8685347.en. Downloaded on 11 February 2019.
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