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Oziothelphusa ritigala

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA ARTHROPODA MALACOSTRACA DECAPODA GECARCINUCIDAE

Scientific Name: Oziothelphusa ritigala
Species Authority: Bahir & Yeo, 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: Vulnerable D2 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:
Listed as Vulnerable because it is found in only two locations and there are threats from habitat degradation. Its extent of occurrence is less than 900 km². However its populations are locally strong, and it can live in human modified habitats.
History:
2006 Not Evaluated (IUCN 2006)
2006 Not Evaluated

Geographic Range [top]

Range Description: Sri Lanka: Only known from Ritigala and Mundel, in the north central dry zone of Sri Lanka.
Countries:
Native:
Sri Lanka
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Frequency of species at sites: common.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: Found in deep burrows in rice-field embankments and adjacent stream margins and in the banks of the canals and streams.
Systems: Freshwater

Threats [top]

Major Threat(s): Habitat loss and pollution.

Conservation Actions [top]

Conservation Actions: No conservation measures are known to be in place for this species. It is found in a protected area administered by Department of Wildlife Conservation and subject to degradation (direct human impacts).
Citation: Esser, L. and Cumberlidge, N. 2008. Oziothelphusa ritigala. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 24 April 2014.
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