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Nanhaipotamon macau

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Species of crab

Nanhaipotamon macau
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Infraorder: Brachyura
Family: Potamidae
Genus: Nanhaipotamon
Species: N. macau
Binomial name
Nanhaipotamon macau
Huang, Wong & Ahyong, 2018

Nanhaipotamon macau, the Coloane hill crab, is a species of freshwater crab found solely in twelve hill streams on the island of Coloane in Macao. A member of the genus Nanhaipotamon, it was first described in December 2018 and is closely related to other land crabs such as Nanhaipotamon hongkongense.

Discovery

A scientific study, commissioned by the Civic and Municipal Affairs Bureau of Macao and the University of New South Wales, was conducted in 2018 with the aim of surveying the freshwater crabs resident in the country of Macao and neighboring parts of China, as well as redescribing the Wuping Crab (Nanhaipotamon wupingense), a closely related species of land crab whose original type specimen was lost after being described in insufficient detail. One preserved specimen thought to represent the Wuping Crab, collected in Macao in 2010, was examined in the course of this study and subsequently described as an entirely new species of crab, Nanhaipotamon macau, on the basis of morphological differences between it and the Wuping Crab, which is now considered endemic to Xiaba in the province of Fujian.

Distribution

The Coloane hill crab has an extremely restricted distribution encompassing 12 hill streams on the Macanese island of Coloane, occurring across approximately 5.3 square kilometres of territory (excluding sea area) of which only 3 square kilometres are believed to be occupied by the crab. Nevertheless, although not evaluated for conservation status by the IUCN, it is not considered threatened, as it is abundant throughout its habitat, none of the streams it occupies are threatened with development, the crab is not collected for food or as an aquarium specimen, and it inhabits a protected area, specifically the Ka-Ho Reservoir Freshwater Wetland.

References

  1. "Nanhaipotamon macau Huang, Wong & Ahyong, 2018". WoRMS. World Register of Marine Species.
  2. ^ Chao Huang; Kai Chin Wong; Shane T Ahyong (20 December 2018). "The freshwater crabs of Macau, with the description of a new species of Nanhaipotamon Bott, 1968 and the redescription of Nanhaipotamonwupingense Cheng, Yang, Zhong & Li, 2003 (Crustacea, Decapoda, Potamidae)". ZooKeys. 810 (810): 91–111. doi:10.3897/ZOOKEYS.810.30726. ISSN 1313-2989. PMC 6308228. PMID 30613174. Wikidata Q60049201.


Taxon identifiers
Nanhaipotamon macau
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