Distinguishing Characteristics |
Carapace rectangular, wider than long, slight wider anteriorly, lateral edge of carapace curved anteriorly (not straight); when viewed from the side, the carapace is more convex anteriorly than posteriorly; females with very small claws; males with 1 oversized claw with oblique tubercle ridge from inner margin of palm to outer edge of claw; oversized claw with red spots on articulations; merus (4th segment from tip) of 2nd and 3rd walking legs with sparse (as opposed to dense patches) rows of stiff hairs on inner surfaces. |
Similar Species |
Males are easier to distinguish from other fiddler crabs because of the red coloration in its articulation area. |
Habitat |
Bay, muddy bottoms, above the intertidal zone |
Maximum Size |
2.5 cm (1 in) carapace width |
Other Common Names |
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Previous Scientific Names |
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