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Perbrinckia gabadagei

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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.
Justification:
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.
History:
2006 Not Evaluated (IUCN 2006)
2006 Not Evaluated

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:
Possibly extinct:
Sri Lanka
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Frequency of species at sites: rare
Population Trend: Decreasing

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. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 17 April 2014.
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