The Fiddler Crab is a small crustacean found in coastal habitats, particularly in mangroves and salt marshes. They are known for their distinctive asymmetrical claws, with one claw significantly larger than the other. This large claw is used for communication and attracting mates, often waved in a display. Fiddler crabs primarily feed on detritus and algae, sifting through the sand with their claws. They are social creatures, often seen in groups, and play a vital role in their ecosystem by aerating the soil and recycling nutrients. Their habitat is crucial for the health of coastal environments.