Perbrinckia scitula 


Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Arthropoda Malacostraca Decapoda Gecarcinucidae

Scientific Name: Perbrinckia scitula
Species Authority: Ng, 1995
Taxonomic Notes: This species was formerly included in the Parathelphusidae but has recently been reassigned to the Gecarcinucidae; Parathelphusidae is now regarded as a junior synonym of Gecarcinucidae (Klause et al. in press).

Assessment Information [top]

Red List Category & Criteria: Critically Endangered B1ab(iii) ver 3.1
Year Published: 2008
Date Assessed: 2008-01-01
Assessor(s): Esser, L. and Cumberlidge, N.
Reviewer(s): Darwall, W. (IUCN Freshwater Biodiversity Assessment Unit), Pollock, C.M. (IUCN Red List Unit) and McIvor, A.
The assessment of Bahir et al. (2005) is followed here. Listed as CR because its extent of occurrence is less than 100 km², and all individuals are in only two localities which count as one location because they will both be affected by the building of a dam which will greatly The are is not protected. In addition, this species is found in locally small numbers, and there is a continuing decline in the extent and quality of its habitat from human-induced disturbance and pollution.
Previously published Red List assessments:
2006 Not Evaluated (NE)

Geographic Range [top]

Range Description: Sri Lanka: Mahaweli Basin. The two localities are close together: Deltota, 7°10'14”N, 80°41'55”E, 1,071 m asl and Talawakelle (6.57N, 80.38E, 1,160 m asl, type locality).
Countries occurrence:
Sri Lanka
Estimated area of occupancy (AOO) - km2: <80
Number of Locations: 1
Upper elevation limit (metres): 1160
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This species is not abundant (rare).
Current Population Trend: Unknown
Additional data:
Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: A waterfall species.
Systems: Freshwater

Threats [top]

Major Threat(s): The habitat is subjected to degradation from directed human activities. The flow from St. Clair waterfall may be shut off as the result of a proposed Hydropower Development Project, which would mean a dam across the river just upstream of the type locality.

Conservation Actions [top]

Conservation Actions: This species is not found in a protected area.

Citation: Esser, L. and Cumberlidge, N. 2008. Perbrinckia scitula. The IUCN Red List of Threatened Species 2008: e.T61735A12550648. . Downloaded on 01 December 2015.
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