Tubuca signata
Species of crabs From Wikipedia, the free encyclopedia
Tubuca signata, the signalling fiddler crab,[1] is a species of fiddler crab that is found in Australia from Queensland to northwestern Australia.[2]
| Tubuca signata | |
|---|---|
| |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Malacostraca |
| Order: | Decapoda |
| Suborder: | Pleocyemata |
| Infraorder: | Brachyura |
| Family: | Ocypodidae |
| Subfamily: | Gelasiminae |
| Genus: | Tubuca |
| Species: | T. signata |
| Binomial name | |
| Tubuca signata (Hess, 1865) | |
Description
Tubuca signata males have one claw that is significantly larger than the other, while females have two equal-sized smaller claws. The male adult upper claw (pollex) is smooth and bright white while the lower claw (dactyl) has a single groove along its length. The wrist (manus) is red.[3] The male carapace is typically up to 17 mm wide (95% of individuals are this size or smaller), with females slightly smaller.[1]
References
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