Oziothelphusa ceylonensis


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Oziothelphusa ceylonensis
Species Authority: (Fernando, 1960)
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: Least Concern 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.
This species is cited as being common with a stable population, and is found in many man-made structures, implying that it survives well in human-modified environments. It is known from nine sites, although it has a small extent of occurrence (<20,000 km²) and area of occupancy (1200 km²). Therefore it is listed here as Least Concern.
2006 Not Evaluated (IUCN 2006)
2006 Not Evaluated

Geographic Range [top]

Range Description: Sri Lanka: This species is known from nine localities in the north-western dry zone and the central wet zone around the Kandy Hills.
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: Stable

Habitat and Ecology [top]

Habitat and Ecology: Commonly occurs in rice-field embankments. Crabs have been observed from burrows in the margins of streams, irrigation canals, reservoirs and rivers.
Systems: Freshwater

Threats [top]

Major Threat(s): Habitat loss and pollution. Habitat subjected to degradation because of direct human impacts.

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 the Forest Department and the Department of wildlife Conservation, but the habitat is nevertheless subjected to degradation because of direct human impacts.

Citation: Esser, L. and Cumberlidge, N. 2008. Oziothelphusa ceylonensis. The IUCN Red List of Threatened Species. Version 2014.3. <>. Downloaded on 29 March 2015.
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