Uca pugilator
Male
Males have one large claw (cheliped) which can account for 2-65% of its total body weight
Females have small claws of equal size
Source: Elizabeth Wenner, Ph.D. Fiddler Crabs
Meaher State Park
Mobile Wetlands
Alabama
Nikon D300S
,Nikon AF-S Nikkor 300mm f2.8, GII ED 1/1250s f/2.8 at 300.0mm iso320
full exif