Tags: Crustacean.
Gecarcinus is the type genus of the land crab family Gecarcinidae. They are found in warmer coastal regions of the Americas including islands in the Caribbean. Four species from oceanic islands were formerly included in Gecarcinus as the subgenus Johngarthia but are now treated as a separate genus Johngarthia. While all members of this genus are largely terrestrial they have to return to the ocean to breed (the larvae are released into the sea).
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