Cardisoma crassum

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Mouthless crab
Mouthless Crab.jpg
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Malacostraca
Order: Decapoda
Infraorder: Brachyura
Family: Gecarcinidae
Genus: Cardisoma
Species: C. crassum
Binomial name
Cardisoma crassum
Smith, 1870[1]

Cardisoma latimanus Lockington, 1877[1]

Cardisoma crassum, known as the mouthless crab, is a species of terrestrial crab found in the coastal tropical eastern Pacific from Baja California to Peru.[2] It has a purplish-blue shell, red legs and white main pincer. Cardisoma crassum is common among mangrove roots, where it builds its burrow. It also occasionally occurs on the driest part of the channel banks and flats".[2]


  1. ^ a b 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. ^ a b Michel E. Hendrickx (1984). "Studies of the coastal marine fauna of southern Sinaloa, Mexico. II. The decapod crustaceans of Estero el Verde". Anales del Instituto de Ciencias del Mar y Limnología. 11: 23–48. Archived from the original on 2008-12-04.