Leptuca deichmanni
Deichmann's Fiddler Crab
Type Description
Uca deichmanni Rathbun, M.J. (1935) Preliminary description of six new species of crabs from the Pacific coast of America. Proceedings of the Biological Society of Washington 48:49–52.
Taxonomy
Subfamily Gelasiminae → Supertribe Gelasimitae → Tribe Minucini → Genus Leptuca Common Names
Synonyms, Alternate Spellings, & Name Forms (Chronology )
Celuca deichmanni Leptuca deichmanni Planuca deichmanni Uca (Celuca) deichmanni Uca (Leptuca) deichmanni Uca (Minuca) deichmanni Uca deichmanni Size
Very Small Carapace Breadth: 7.1 mm ± 1.19 (sd), 95% range: 4.7–9.4 mm (Data )
Geographic Range
Eastern Pacific Realm: Costa Rica to northern Colombia
Purple fiddler crabs iNaturalist ; yellow circles with a question mark
Range map data derived from: Crane (1975) ; 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
Male and female Leptuca deichmanni feeding 35 sec., 352 × 240, MP4
Male Leptuca deichmanni feeding 32 sec., 352 × 240, MP4
Male Leptuca deichmanni in front of stick, male Leptuca beebei behind stick, both waving 46 sec., 352 × 240, MP4
Male Leptuca deichmanni waving 25 sec., 352 × 240, MP4
Male Leptuca deichmanni feeding and waving 39 sec., 352 × 240, MP4
Male Leptuca deichmanni waving 55 sec., 352 × 240, MP4
Male Leptuca deichmanni fighting, with two flips/throws 14 sec., 352 × 240, MP4
Gravid female Leptuca deichmanni digging and moving mudballs 34 sec., 352 × 240, MP4
Altevogt (1959) ,
Barnwell & Szelistowski (1985) ,
Beinlich & von Hagen (2006) ,
Bott (1954) ,
Bott (1973) ,
Crane (1941) ,
Crane (1944) ,
Crane (1947) ,
Crane (1957) ,
Crane (1966) ,
Crane (1967) ,
Crane (1975) ,
Hendrickx (1995) ,
Hendrickx (1995) ,
Invemar et al. (2006) ,
Juarrero de Varona & Ortiz (2003) ,
Kaufmann & Barnwell (1985) ,
Kerr et al. (2010) ,
Lazarus-Agudelo & Cantera-Kintz (2007) ,
Lemaitre & Alvarez León (1992) ,
Levinton et al. (1996) ,
Ng et al. (2008) ,
Oliveira (1939) ,
Rathbun (1935) ,
Rosenberg (2000) ,
Rosenberg (2001) ,
Rosenberg (2002) ,
Rosenberg (2019) ,
Rosenberg (2020) ,
Schöne (1961) ,
Shih et al. (2016) ,
Sturmbauer et al. (1996) ,
Thurman et al. (2025) ,
von Hagen (1975) ,
von Prahl (1981) ,
von Prahl (1982) ,
Zucker & Denny (1979)
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.
