Nanhaipotamon formosanum 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Arthropoda Malacostraca Decapoda Potamidae

Scientific Name: Nanhaipotamon formosanum (Parisi, 1916)
Common Name(s):
English Taiwan's South China Sea River Crab
Taxonomic Notes: Subfamily Potamiscinae.

Assessment Information [top]

Red List Category & Criteria: Vulnerable D2 ver 3.1
Year Published: 2008
Date Assessed: 2008-01-01
Assessor(s): Cumberlidge, N.
Reviewer(s): Ng, P. and McIvor, A.
Listed as Vulnerable because its extent of occurrence is very restricted (less than 500 kmĀ²), all individuals are in just five localities, and there are potential threats from pollution and deforestation that may result in a decline in the extent and quality of its habitat in lowland rice fields. This species is not found in a protected area.

Geographic Range [top]

Range Description:Taiwan: Only known from western Taiwan (Bain-Her). Zhanghua/Changhua, Nantou, Yunling, Jiayi/Chiayi and Tainan.
Taiwan, Nantou, Chung-Hsing Village.
Countries occurrence:
Taiwan, Province of China
Additional data:
Number of Locations:5
Lower elevation limit (metres):100
Upper elevation limit (metres):500
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:There is no information on population size, abundance, or trends.
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:Lives in holes along the banks of streams under an altitude of 500 m above sea level. Also in mud burrows in rice fields with a depth of 50 cm.

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 and it is not found in a protected area.

Citation: Cumberlidge, N. 2008. Nanhaipotamon formosanum. The IUCN Red List of Threatened Species 2008: e.T135002A4048755. . Downloaded on 26 September 2018.
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