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Chiromantes haematocheir

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Chiromantes haematocheir
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Infraorder: Brachyura
Family: Sesarmidae
Genus: Chiromantes
Species:
C. haematocheir
Binomial name
Chiromantes haematocheir
(De Haan, 1833)
Synonyms
List
  • Grapsus (Pachysoma) haematocheir De Haan, 1833
  • Holometopus haematocheir (De Haan, 1833)
  • Holometopus serenei Soh, 1978
  • Perisesarma haematocheir (De Haan, 1833)
  • Sesarma haematocheir (De Haan, 1833)
Red-clawed crab in Kanagawa, Japan

Chiromantes haematocheir, commonly known as red-clawed crab, is a species of mudflat crab in the family Sesarmidae. It is endemic to East Asia and is quite distinct from the other species placed in the genus Chiromantes. The genus may be restricted to this one species.[1]

Description

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C. haematocheir has a square carapace with a smooth surface and irregular stripes along the sides. Males have large, smooth chelae with curved claws. The color of these crabs varies throughout their development; juvenile crabs typically have a white or yellow carapace, while adults are usually crimson red.[2]

Mountain crabs

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A variety of C. haematocheir can be found in Nagano prefecture, Japan, where elevations often exceed 600 metres (2,000 ft) above sea level, and distances to the ocean can be over 80 kilometres (50 mi). This indicates that they are freshwater crabs, probably living in forest streams, if they live in water at all.[citation needed]

See also

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References

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  1. ^ Peter K. L. Ng; Danièle Guinot & Peter J. F. Davie (2008). "Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world" (PDF). Raffles Bulletin of Zoology. 17: 1–286. Archived from the original (PDF) on 2011-06-06.
  2. ^ "Marine Species Identification Portal : Chiromantes haematocheir". Retrieved 19 January 2021.