Fiddler crabs are the most common crab in a salt marsh and they play an important role in the salt marsh community. They eat detritus (dead or decomposing plant and animal matter) and are themselves food for a number of wetland animals. In Spanish, the fiddler crab is called a cangrejo violinista, which literally translates to “violinist crab”. Fiddler crabs help preserve our important coastal wetland ecosystems. By burrowing deep into the mud of the marshes, the crabs create a maze of tunnels that aerate (add oxygen to) the marsh grasses and underwater seagrass meadows.
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