Nanhaipotamon aculatum

Updated: Aug 30, 2019

An endemic and generally uncommon species in Hong Kong.

Another species found around hillstreams. This is a rather terrestrial crab and is often found along the river bank feeding on fallen leaves. All freshwater crabs in HK are understudied and we still lack thorough understanding on their behaviour and distribution. 

Identification: Carapace usually purple, but can also be grey. Claws and legs range from dark red to orange in colour. Is a rather large crab, 1.5x bigger than Cryptopotamon anacoluthon. Often found in solitary.


Distribution:

AFCD: Not assessed.

Conservation statuses:

IUCN Red List StatusData Deficient

Fellowes et al. (2002)-  Not Assessed

Useful links:

IUCN Redlist of Endangered Species

Distribution of Nanhaipotamon hongkongense (Shen, 1940) (Crustacea: Brachyura: Potamidae), a freshwater crab endemic to Hong Kong

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© 2019 by Jeffery Chan