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Small fiddler crabs. In the town of Tamarindo, El Salvador
Tidal mud flats
Hundreds to thousands of these small crabs on a coastal mud flat. Filtering the mud for food, and tossing the little balls of processed mud aside.
Moved to Arthropods
Yes, I'd say fiddler crab. The male with the asymmetric claw, the female symmetric.
Lat: 13.19, Long: -87.92
Spotted on Nov 23, 2008 Submitted on Jun 23, 2011