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Leptuca umbratila

Pacific Mangrove Fiddler Crab

Type Description

Uca umbratila
Crane, J. (1941) Eastern Pacific Expeditions of the New York Zoological Society. XXVI. Crabs of the genus Uca from the west coast of Central America. Zoologica NY 26(3):145–208.

Information

Taxonomy
Subfamily GelasiminaeSupertribe GelasimitaeTribe MinuciniGenus Leptuca
Common Names
English: Pacific Mangrove Fiddler Crab
Synonyms, Alternate Spellings, & Name Forms (Chronology)
Leptuca umbratila, Planuca zilchi, Uca (Boboruca) thayeri umbratila, Uca (Minuca) thayeri zilchi, Uca (Minuca) umbratila, Uca thayeri umbratila, Uca thayeri umbriatila, Uca umbratila
Size
Medium Carapace Breadth: 20.1 mm ± 4.83 (sd), 95% range: 10.7–29.6 mm (Data)
Geographic Range
Eastern Pacific Realm: El Salvador to Colombia
Purple fiddler crabs indicate locations where this species is found according to the scientific record; blue fiddler crabs surrounded by a dashed circle indicate the same but for larger, general regions; green fiddler crabs indicate “research grade” observations imported from iNaturalist; yellow circles with a question mark indicate questionable records of this species from the scientific record; and red circles with an x indicate false or mistaken records from the scientific record.
Range map data derived from: Crane (1975); von Prahl (1981); von Prahl (1982)
Associated Field Guides
Pacific Coasts of Colombia, Ecuador, and Northern Peru
Pacific Coasts of Costa Rica and Panama
Pacific Coasts of El Salvador, Honduras, and Nicaragua
External Links
Encyclopedia of Life
Wikipedia
iNaturalist
NCBI Taxonomy Browser/Genbank
GBIF

Photos

Leptuca umbratila thumbnail

Video

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Art

Uca umbratila thumbnail
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Uca thayeri umbratila thumbnail

References

Abele & Kim (1989), Albrecht & von Hagen (1981), Altevogt (1972), Beinlich & von Hagen (2006), Bott (1954), Bott (1973), Crane (1941), Crane (1947), Crane (1975), Hendrickx (1995), Hendrickx (1995), Invemar et al. (2006), Landstorfer & Schubart (2010), Lazarus-Agudelo & Cantera-Kintz (2007), Lemaitre & Alvarez León (1992), Ng et al. (2008), Rosenberg (2000), Rosenberg (2001), Rosenberg (2002), Rosenberg (2014), Rosenberg (2019), Rosenberg (2020), Shih et al. (2016), Thurman et al. (2025), von Hagen (1968), von Hagen (1970), von Hagen (1970), von Hagen (1987), von Prahl (1981), von Prahl (1982), von Prahl (1986)