Leptuca leptodactyla

Leptuca leptodactyla, commonly known as the thin-fingered fiddler crab or the western Atlantic fiddler crab, is a species of fiddler crab native to the western Atlantic coast of the Americas.[1]

Leptuca leptodactyla
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Malacostraca
Order: Decapoda
Infraorder: Brachyura
Family: Ocypodidae
Subfamily: Gelasiminae
Tribe: Minucini
Genus: Leptuca
Species:
L. leptodactyla
Binomial name
Leptuca leptodactyla
(Rathbun, 1898)
Synonyms

Uca leptodactyla (basionym)

Taxonomy

Previously a member of the genus Uca, the species was transferred in 2016 to the genus Leptuca when Leptuca was promoted from subgenus to genus level.[2][3]

Description

The carapace can be up to 13mm wide.[4]

Distribution

The range of the crab includes southern Florida, Mexico, the West Indies, Venezuela, and Brazil.[1][5][6] Within Brazil, the crab is present along the coast between the states of Maranhão and Santa Catarina.[5]

Habitat

The species lives in brackish and saline environments, including mangrove stands and intertidal sand flats.[6][7][8] It prefers sandy substrate.[6]

References
  1. Masunari, Setuko (2012). "Hood construction as an indication of the breeding period of the fiddler crab Uca (Leptuca) leptodactyla Rathbun, 1898 (Decapoda, Ocypodidae) from Guaratuba Bay, southern Brazil". Crustaceana. 85 (10).
  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. Masunari, Setuko; Swiech-Ayoub, Bianca de Paula (2003). "Crescimento relativo em Uca leptodactyla Rathbun (Crustacea Decapoda Ocypodidae)". Revista Brasileira de Zoologia. 20 (3).
  5. Melo, Gustavo Augusto Schmidt (1996). Manual de identificação dos Brachyura (caranguejos e siris) do litoral Brasileiro. Plêiade/FAPESP, São Paulo.
  6. Thurman, Carl L.; Faria, Samuel C.; McNamara, John C. (2013). "The distribution of fiddler crabs (Uca) along the coast of Brazil: implications for biogeography of the western Atlantic Ocean". Marine Biodiversity Records. 6.
  7. Bezerra, Luis Ernesto Arruda; Matthews-Cascon, Helena (2006). "Population structure of the fiddler crab Uca leptodactyla Rathbun, 1898 (Brachyura: Ocypodidae) in a tropical mangrove of northeast Brazil" (PDF). Thalassas. 22 (1).
  8. Masunari, Setuko (2006). "Distribuição e abundância dos caranguejos Uca Leach (Crustacea, Decapoda, Ocypodidae) na Baía de Guaratuba, Paraná, Brasil". Revista Brasileira de Zoologia. 23.
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