Explore recent community sightings of Fiddler Crab (Tubuca flammula) — where it's been spotted, related encounters, and field notes from local observers. The Fiddler Crab is a delightful coastal companion known for the male's oversized, single claw that waves rhythmically. These social crustaceans create bustling burrow colonies in sandy salt marshes, perfect for spotting during your next shoreline stroll.