Biology:Guinusia chabrus

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Short description: Species of crab

Guinusia chabrus
Red rock crab, Plagusia chabrus.jpg
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Infraorder: Brachyura
Family: Plagusiidae
Genus: Guinusia
Species:
G. chabrus
Binomial name
Guinusia chabrus
Synonyms
  • Cancer chabrus Linnaeus, 1758
  • Cancer velutinus Linnaeus, 1764
  • Grapsus capensis De Haan, 1835
  • Plagusia capensis (De Haan, 1835)
  • Plagusia chabrus (Linnaeus, 1758)
  • Plagusia tomentosus H. Milne-Edwards, 1837
  • Plagusia spinosa MacLeay, 1838
  • Plagusia gaimardi H. Milne-Edwards, 1853

The red rock crab, Guinusia chabrus, is a marine large-eyed crab of the family Plagusiidae.[1] It is found in the southern Indian and southern Pacific Oceans, including South Africa , Australia , New Zealand, and Chile .[2]

Description

A sturdy square bodied crab with a smooth dark red-brown carapace and yellow longitudinal ridges on the legs, yellow knobs on the pincers. There may be four white spots on the carapace in a roughly semicircular pattern.[3]

Distribution

Southern Africa: Luderitz to Sodwana Bay, Subtidal to at least 100m.[3]

Ecology

Common on reefs. Often seen in crevices or hiding under other benthic organisms. Scavenger.[3]

With Haliotis midae it makes up the favoured diet of Octopus vulgaris in False Bay, South Africa.[4]

References

  1. 1.0 1.1 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. http://rmbr.nus.edu.sg/rbz/biblio/s17/s17rbz.pdf. 
  2. "Plagusia chabrus, red rock crab, (Plagusia capensis)". SeaFriends. http://www.seafriends.org.nz/enviro/crust/grapsida.htm. Retrieved June 5, 2009. 
  3. 3.0 3.1 3.2 Jones, Georgina. A field guide to the marine animals of the Cape Peninsula. SURG, Cape Town, 2008. It is also found in the intertidal zone, such as a rocky shore environment in New Zealand and Australia ISBN:978-0-620-41639-9
  4. C. D. Smith (2003). "Diet of Octopus vulgaris in False Bay, South Africa". Marine Biology 143 (6): 1127–1133. doi:10.1007/s00227-003-1144-2. 

External links

Wikidata ☰ Q5616623 entry