Fiddler Crab in natural habitat
Least Concern

Fiddler Crab

Uca pugnax

About

Fiddler crabs are small crustaceans named for the male's oversized claw, which resembles a fiddle. They live in burrows in intertidal zones and are important ecosystem engineers, helping to aerate the sediment.

Habitat

Mudflats, salt marshes, and mangroves worldwide

Diet

Omnivorous - algae, detritus, and small organisms

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Fun Facts

  • Male fiddler crabs use their large claw to attract mates and defend territories.
  • They can regenerate lost claws.
  • Fiddler crabs have gills for breathing underwater and modified gills for breathing air.

Conservation

StatusLeast Concern

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