Perbrinckia gabadagei 


Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Arthropoda Malacostraca Decapoda Gecarcinucidae

Scientific Name: Perbrinckia gabadagei
Species Authority: Bahir & Ng, 2005
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)+2ab(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 by Bahir et al. (2005) listed this species as Vulnerable. However it has an extent of occurrence and area of occupancy of 1 km², is in one location only, there is evidence of a decline in the extent and quality of its habitat, and as it has not been found since 1996 despite several attempts; therefore it qualifies as Critically Endangered and is possibly extinct.
Date last seen: 1996
Previously published Red List assessments:
2006 Not Evaluated (NE)

Geographic Range [top]

Range Description: Sri Lanka: Only found at type locality on a footpath to Adam's Peak, Peak Wilderness (06 24'N, 080 38'E) in Sri Lanka. Range is approx. 1 km². Several attempts to find this species since 1996 have failed.
Countries occurrence:
Possibly extinct:
Sri Lanka
Estimated area of occupancy (AOO) - km2: <1
Number of Locations: 1
Lower elevation limit (metres): 1060
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Frequency of species at sites: rare
Current Population Trend: Decreasing
Additional data:
Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: Occurs in wet soil under stones in small streams.
Systems: Freshwater

Threats [top]

Major Threat(s): Habitat loss and pollution; its habitat is subjected to degradation by direct human impact. There is evidence that there is a decline in the extent and quality of its habitat.

Conservation Actions [top]

Conservation Actions: No conservation measures are known to be in place for this species but it is found in a protected area administered by Department of Wildlife.

Citation: Esser, L. and Cumberlidge, N. 2008. Perbrinckia gabadagei. The IUCN Red List of Threatened Species 2008: e.T61726A12547200. . Downloaded on 02 December 2015.
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