Distinguishing Characteristics |
Carapace oval, compressed; color orangish brown to gray, joints with darker orangish color; claws long, color brownish with some orange and blue, fingers brown on top, mostly white interiorly; last pair of legs flattened into paddle-shaped appendages; 5 pair of spines (including the outer orbital spines) along the lateral edges of the carapace, directed forward; 3 sharp teeth between the ocular orbits (eye sockets), including the inner orbital teeth; small spines on the inner margins of merus (2nd segment from the claws), larger spines on inner and outer dorsal carpus (segment next to claw), the inner spine very long. |
Similar Species |
The round shaped carapace distinguishes this crab from other swimming crabs. |
Habitat |
Shallow gulf and lower bays |
Maximum Size |
8.5 cm (3 1/3 in) carapace width |
Other Common Names |
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Previous Scientific Names |
O. guadulpensis |
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