Johngarthia planata

Johngarthia planata is a bright orange species of land crab that lives on inshore islands and the continental mainland coast of the tropical and subtropical Pacific coast of the Americas, including the Gulf of California, Costa Rica (Colorada, Cano and Nairita Islands), Colombia (Gorgona Island), and continental mainland beaches of Mexico (Oaxaca, Guerrero, Colima, Nayarit, Jalisco and Sinaloa).[2][3] The crabs are omnivorous and feed on seaweed (algae), vegetation and sometimes carrion.

Johngarthia planata
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Subphylum:
Crustacea
Class:
Malacostraca
Order:
Decapoda
Infraorder:
Brachyura
Superfamily:
Grapsoidea
Family:
Gecarcinidae
Genus:
Johngarthia
Species:
J. planata
Binomial name
Johngarthia planata
(Stimpson, 1860)
Synonyms [1]

Gecarcinus planatus Stimpson, 1860

Prior to 2019, Clipperton crabs, the land crabs on Clipperton Island in the eastern Pacific and on Socorro Island in the Revillagigedo Islands off Mexico, were grouped with J. palanata; however, revaluation determined them to belong to a separate species, J. oceanica (Perger, 2019).[4] J. oceanica differs from J. planata in the shape of the mesial lobe of the infraorbital margin and the color of its carapace.[4]

References
Notes
  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. Davie, P. (2015). Bieler R, Bouchet P, Gofas S, Marshall B, Rosenberg G, La Perna R, Neubauer TA, Sartori AF, Schneider S, Vos C, ter Poorten JJ, Taylor J, Dijkstra H, Finn J, Bank R, Neubert E, Moretzsohn F, Faber M, Houart R, Picton B, Garcia-Alvarez O (eds.). "Johngarthia planata (Stimpson, 1860)". MolluscaBase. World Register of Marine Species. Retrieved 22 February 2017.
  3. Robert Perger; Jorge Cortes & Cristian Pacheco (2013). "Closing a distributional gap of over 3000 km and encountering an invisible barrier: new presence/absence data for Johngarthia planata Stimpson, 1860 (Decapoda, Brachyura, Gecarcinidae) for Central America and biogeographic notes on East Pacific Gecarcinidae". Crustaceana. 86 (3): 268–277. doi:10.1163/15685403-00003172.
  4. Perger, Robert (2019-04-12). "A New Species of Johngarthia from Clipperton and Socorro Islands in the Eastern Pacific Ocean (Crustacea: Decapoda: Gecarcinidae)". Pacific Science. 73 (2): 285. doi:10.2984/73.2.9. ISSN 0030-8870. S2CID 146030476.
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