Fiddler Crab Coastal Wallpaper Sample - Grey and Flax, 12"x12"Fiddler crabs are indeed fascinating creatures. This hand sketched design is both visually striking, reflecting the playfulness of these little beach runners. The male crab has one much larger claw which resembles a violin, hence the name Fiddler Crab. So interesting to note that the fiddler crab plays a positive role in our coastal eco system by helping to preserve wetlands.