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Tubuca polita

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Fiddler crab, Tubuca polita

Tubuca polita
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Infraorder: Brachyura
Family: Ocypodidae
Subfamily: Gelasiminae
Tribe: Gelasimini
Genus: Tubuca
Species: T. polita
Binomial name
Tubuca polita
(Crane, 1975)
Tubuca polita

Tubuca polita, commonly known as the polished fiddler crab. or pink-clawed fiddler crab is a species of fiddler crab that is found in the northern part of Australia including the Torres Strait Islands

Tubuca polita was formerly a member of the genus Uca, but in 2016 it was placed in the genus Tubuca, a former subgenus of Uca.

The name polita comes from the unusually smooth ("polished") surface of the "manus" (the lower claw and wrist).

Description

Like other fiddler crabs, Tubuca polita males have one claw that is significantly larger than the other, while females have two equal-sized smaller claws. It has a brown and blue-black carapace with cream or grey green marbling, or in some areas yellow or occasionally orange or pink. The male claw has a rose pink hand with white fingers. The width of the carapace is up to around 25 mm.

This species is found adjacent to mangroves on the seaward side. They live in mud or sandy mud, in burrows, but on flats rather than steep banks. They are often found together with Gelasimus vomeris and Tubuca seismella crabs. Unlike some other fiddler crabs, females also wave their claws in addition to males. These crabs mate on the surface rather than in burrows.

References

  1. Rosenberg, M. "Tubuca polita". fiddler crab. Retrieved 2022-12-10.
  2. ^ Davie, P. (2011). Wild Guide to Morton Bay and Adjacent Coasts Volume 2 (2 ed.). Queensland Museum.
  3. "WoRMS taxon details, Tubuca polita (Crane, 1975)". World Register of Marine Species. Retrieved 2022-12-10.
  4. Shih, Hsi-Te; Ng, Peter K. L.; Davie, Peter J. F.; Schubart, Christoph D.; et al. (2016). "Systematics of the family Ocypodidae Rafinesque, 1815 (Crustacea: Brachyura), based on phylogenetic relationships, with a reorganization of subfamily rankings and a review of the taxonomic status of Uca Leach, 1814, sensu lato and its subgenera". The Raffles Bulletin of Zoology. 64.
  5. ^ Crane, Jocelyn (1975). Fiddler crabs of the world: Ocypodinae Genus Uca. Princeton University Press.
  6. "A Revision of the Fiddler Crabs of Australia Ocypodinae (Uca)". Fiddler Crab Info. Western Australian Museum. 2022. Retrieved 2022-06-14.
  7. Booksmythe, Isobel; Detto, Tanya; Backwell, Patricia (2008). "A field guide to the fiddler crabs of East Point Reserve, Darwin, Northern Territory". Northern Territory Naturalist (20).
  8. How, Martin (2007). "The Fiddler Crab Claw-waving Display: An analysis of the structure and function of a movement-based visual signal" (PDF). Australian National University.
Taxon identifiers
Tubuca polita
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