Austruca annulipes

Austruca annulipes is a species of fiddler crab found along the coastline from South Africa to Somalia, Madagascar, India, China, Indonesia, Malaysia and the Philippines.

Austruca annulipes
male
female
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Malacostraca
Order: Decapoda
Infraorder: Brachyura
Family: Ocypodidae
Subfamily: Gelasiminae
Tribe: Gelasimni
Genus: Austruca
Species:
A. annulipes
Binomial name
Austruca annulipes
Synonyms[1]
  • Gelasimus annulipes H. Milne-Edwards, 1837
  • Uca annulipes (H. Milne-Edwards, 1837)

Austruca annulipes was formerly in the genus Uca, but in 2016 it became a member of the genus Leptuca, a former subgenus of Uca.[2][3][1]

They are small size crabs. They are seen feeding in the evening on low tide. The males and females differ in size and appearance. The large male crabs spent the longest time excavating their burrows compared to female and smaller male Uca annulipes crabs.[4] Males are attractive because of their bright colored front arm and movements. They are quick to hide in their burrows at the slightest hint of danger. They are prey species of House Crows.

References
  1. "WoRMS taxon details, Austruca annulipes". World Register of Marine Species. Retrieved 2020-11-15.
  2. 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.
  3. Rosenberg, Michael S. (2019). "A fresh look at the biodiversity lexicon for fiddler crabs (Decapoda: Brachyura: Ocypodidae). Part 1: Taxonomy". Journal of Crustacean Biology. 39 (6).
  4. TINA, FAHMIDA W.; MULLICA JAROENSUTASINEE & KRISANADEJ JAROENSUTASINEE. "BURROW EXCAVATION AND MUDBALLING BEHAVIOUR OF THE FIDDLER CRAB UCA ANNULIPES (H. MILNE EDWARDS, 1837) FROM SOUTHERN THAILAND.". Fiddler Crabs (Genus Uca). Retrieved October 18, 2019.


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