Other identification tools | SeaLifeBase

Non-fish Identification: Find Species

Family: Gecarcinidae land crabs (See list of species below)

Select Ocean (marine/brackish) or Continent (freshwater):

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Total number of spines in dorsal and anal fins (optional)



11 species with fin ray counts including ? spines in dorsal and ? in anal fins (see list below)
No picture found

Cardisoma armatum
[Lagoon land crab]
No picture found

Cardisoma carnifex
[Brown land crab]
No picture found

Cardisoma crassum
[Mouthless land crab]


Cardisoma guanhumi
[Giant land crab]
No picture found

Discoplax hirtipes
[Blue land crab]
No picture found

Discoplax longipes
[]
No picture found

Discoplax rotunda
[Rugose land crab]
No picture found

Epigrapsus politus
[]
No picture found

Gecarcoidea humei
[]


Gecarcoidea lalandii
[]
No picture found

Johngarthia lagostoma
[]
11 Species of Family Gecarcinidae
(land crabs)
Sort by: Species Length
Scientific Name English Name Distribution Max. Length (cm)
Cardisoma armatum Lagoon land crab Atlantic Ocean 12 CW
Cardisoma carnifex Brown land crab Indo-West Pacific. 12 CW
Cardisoma crassum Mouthless land crab Southeast Pacific
Cardisoma guanhumi Giant land crab Western Atlantic 15 CW
Discoplax hirtipes Blue land crab Pacific Ocean.
Discoplax longipes Eastern Central Pacific
Discoplax rotunda Rugose land crab Eastern Central Pacific
Epigrapsus politus Eastern Central Pacific
Gecarcoidea humei Western Central Pacific
Gecarcoidea lalandii Indo-West Pacific.
Johngarthia lagostoma Atlantic Ocean



Other identification tools in SeaLifeBase


Quick Identification
Identification keys
Identification by morphometrics
Identification by pictures:
          If you already know the Family, go to Search SeaLifeBase, select Family and click on 'Identification by pictures' to display all available pictures in SeaLifeBase for the family.

          If you already know the Country, go to
Search SeaLifeBase, select Country and click on 'Identification by pictures' to display all available pictures in SeaLifeBase for the country.

          If you already know the Ecosystem, go to
Search SeaLifeBase, select Ecosystem and click on 'Identification by pictures' to display all available pictures in SeaLifeBase for the ecosystem.