Uca alcocki

Uca alcocki is a species of fiddler crab. It is found in the Red Sea, Western Thailand, India and Pakistan.

Uca alcocki
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Subphylum:
Crustacea
Class:
Malacostraca
Order:
Decapoda
Infraorder:
Brachyura
Family:
Ocypodidae
Genus:
Uca
Species:
U. alcocki
Binomial name
Uca alcocki
Shih, Chan and Ng, 2018
Synonyms
  • Gelasimus acutus Alcock 1900
  • Gelasimus dussumieri A. Milne-Edwards 1868
  • Uca angustifrons Lundoer 1974
  • Uca (Deltuca) [coarctata] urvillei Crane 1975
  • Uca urvillei Frith et al. 1976
  • Uca (Deltuca) urvillei Hogarth 1986
  • Uca (Deltuca) dussumieri Krishnan 1992
  • Uca (Tubuca) urvillei Beinlich and von Hagen 2006
  • Uca (Tubuca) acuta Trivedi et al. 2015
  • Tubuca urvillei Shih et al. 2016

Etymology

The specific name alcocki is in honor of Alfred William Alcock, the naturalist who recorded Uca urvillei.[1]

Description

Carapace and legs brown or dark brown. Major cheliped with fingers white in adults and orange in young. Females with orange cheliped with blue tinge. Carapace of male is trapezoidal, smooth with distinct, narrow median groove. Anterolateral margin is acutely triangular. Major cheliped with dactylus usually longer than palm. Carapace of female is also trapezoidal. Anterolateral margin broadly triangular.[1]

Ecology

It is a mangrove species which lives sympatric with Uca annulipes, Uca bengali, Uca forcipata, Uca paradussumieri and Uca iranica.[1]

References
  1. "Tubuca alcocki, a new pseudocryptic species of fiddler crab from the Indian Ocean, sister to the southeastern African T. urvillei (H. Milne Edwards, 1852)". Zookeys. Retrieved 3 April 2018.
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