Leptuca thayeri, the Atlantic mangrove fiddler crab;
Volusia county, Florida (07 August 2019).
The Atlantic mangrove fiddler crab is just what its common name indicates: A fiddler crab species that likes to hang out in muddy mangrove-laden areas of Florida’s Atlantic coast. I don’t see this species very often, but that’s probably because their preferred habitat is harder to get to. I photographed this one from a kayak drifting a bit off the mudline.