ACE Basin Species Gallery: Fiddler Crab
- Description, images, and information about the fiddler.
- http://www.dnr.sc.gov/marine/mrri/acechar/specgal/fiddler.htm

Mud Fiddler Crabs
- Images and brief description of the little mud crab.
- http://www.assateague.com/mud-cr.html

Atlantic Marsh Fiddler Crab
- Information, images, and a video clip of how the fiddler crab moves.
- http://pelotes.jea.com/fidcrab.htm