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''Leptuca'' is a genus of
fiddler crabs The fiddler crab or calling crab may be any of more than one hundred species of semiterrestrial marine crabs in the family Ocypodidae, well known for their sexually dimorphic claws; the males' major claw is much larger than the minor claw, whil ...
belonging to the family
Ocypodidae The Ocypodidae are a family of semiterrestrial crabs that includes the ghost crabs and fiddler crabs. They are found on tropical and temperate shorelines around the world. Some genera previously included in the family are now treated as members ...
. The species of this genus are found on the coasts of the Americas.


Description

They are small- to large-sized crabs with an adult carapace width of 5–25 mm in adults. The front of their carapace is broad and they have short anterolateral margins with 0–2 posterolateral striae on the top of the carapace.


Species

There are currently 30 species in the genus: * ''
Leptuca batuenta ''Leptuca batuenta'', commonly known as the beating fiddler crab, is a species of fiddler crab native to the tropical eastern Pacific, from El Salvador to northern Peru. Taxonomy Previously a member of the genus ''Uca'', the species was transfe ...
'' (Crane, 1941) (beating fiddler crab) * ''
Leptuca beebei ''Leptuca beebei'', commonly known as Beebe's fiddler crab, is a species of fiddler crab native to the Pacific coasts of Central and South America, from El Salvador to northern Peru. Taxonomy Previously a member of the genus ''Uca'', the specie ...
'' (Crane, 1941) (Beebe's fiddler crab) * '' Leptuca coloradensis'' (Rathbun, 1893) (painted fiddler crab) * ''
Leptuca crenulata ''Leptuca crenulata'', the Mexican fiddler crab, is a species of American broad-front fiddler crab in the family Ocypodidae. ''Leptuca crenulata'' was formerly in the genus ''Uca The fiddler crab or calling crab may be any of more than one ...
'' (Lockington, 1877) (Mexican fiddler crab) * '' Leptuca cumulanta'' (Crane, 1943) (heaping fiddler crab) * '' Leptuca deichmanni'' (Rathbun, 1935) (Deichmann's fiddler crab) * ''
Leptuca dorotheae ''Leptuca'' is a genus of fiddler crabs belonging to the family Ocypodidae. The species of this genus are found on the coasts of the Americas. Description They are small- to large-sized crabs with an adult carapace width of 5–25 mm in adult ...
'' (von Hagen, 1968) (Dorothy's fiddler crab) * ''
Leptuca festae ''Leptuca'' is a genus of fiddler crabs belonging to the family Ocypodidae. The species of this genus are found on the coasts of the Americas. Description They are small- to large-sized crabs with an adult carapace width of 5–25 mm in adult ...
'' (Nobili, 1902) (Festa's fiddler crab) * '' Leptuca helleri'' (Rathbun, 1902) (Heller's fiddler crab) * '' Leptuca inaequalis'' (Rathbun, 1935) (uneven fiddler crab) * '' Leptuca latimanus'' (Rathbun, 1893) (lateral-handed fiddler crab) * ''
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. Taxonomy Previously a member of the genus ''Uca' ...
'' (Rathbun, 1898) (thin-fingered fiddler crab) * ''
Leptuca limicola ''Leptuca'' is a genus of fiddler crabs belonging to the family Ocypodidae. The species of this genus are found on the coasts of the Americas. Description They are small- to large-sized crabs with an adult carapace width of 5–25 mm in adult ...
'' (Crane, 1941) (Pacific mud fiddler crab) * '' Leptuca musica'' (Rathbun, 1914) (musical fiddler crab) * ''
Leptuca oerstedi ''Leptuca'' is a genus of fiddler crabs belonging to the family Ocypodidae. The species of this genus are found on the coasts of the Americas. Description They are small- to large-sized crabs with an adult carapace width of 5–25 mm in adult ...
'' (Rathbun, 1904) (aqua fiddler crab) * ''
Leptuca panacea ''Leptuca panacea'', commonly known as the Gulf sand fiddler crab or the Panacea sand fiddler, is a species of fiddler crab native to coastal habitats along the Gulf of Mexico from northwestern Florida to Mexico. Taxonomy This species is the si ...
'' (Novak & Salmon, 1974) (gulf sand fiddler crab) * ''
Leptuca pugilator ''Leptuca pugilator'', the sand fiddler crab, Atlantic sand fiddler crab, or Calico fiddler, is a species of fiddler crab that is found from Massachusetts to the Gulf of Mexico. It lives in burrows in coastal and estuarine mud-flats, and can be ...
'' (Bosc, 1802) (Atlantic sand fiddler crab) * '' Leptuca pygmaea'' (Crane, 1941) (pygmy fiddler crab) * ''
Leptuca saltitanta ''Leptuca saltitanta'', commonly known as the energetic fiddler crab, is a species of fiddler crab native to the eastern Pacific coasts, from El Salvador in Central America to Colombia in South America. Taxonomy Previously a member of the genus ...
'' (Crane, 1941) (energetic fiddler crab) * '' Leptuca speciosa'' (Ives, 1891) (brilliant fiddler crab) * '' Leptuca spinicarpa'' (Rathbun, 1900) (spiny-wristed fiddler crab) * '' Leptuca stenodactylus'' (Milne-Edwards & Lucas, 1843) (narrow-fingered fiddler crab) * '' Leptuca subcylindrica'' (Stimpson, 1859) (Laguna Madre fiddler crab) * '' Leptuca tallanica'' (von Hagen, 1968) (Peruvian fidder crab) * '' Leptuca tenuipedis'' (Crane, 1941) (slender-legged fiddler crab) * ''
Leptuca terpsichores ''Leptuca terpsichores'', commonly known as the dancing fiddler crab, is a species of fiddler crab native to the eastern Pacific coast of the Americas, from Nicaragua to Peru. Taxonomy Previously a member of the genus ''Uca'', the species was ...
'' (Crane, 1941) (dancing fiddler crab) * ''
Leptuca thayeri ''Leptuca thayeri'', known generally as the Atlantic mangrove fiddler crab or mangrove fiddler, is a species of true crab in the family Ocypodidae. It is distributed all across the Western Atlantic. ''Leptuca thayeri'' was formerly a member of ...
'' (Rathbun, 1900) (Atlantic mangrove fiddler crab) * ''
Leptuca tomentosa ''Leptuca'' is a genus of fiddler crabs belonging to the family Ocypodidae. The species of this genus are found on the coasts of the Americas. Description They are small- to large-sized crabs with an adult carapace width of 5–25 mm in adult ...
'' (Crane, 1941) (matted fiddler crab) * ''
Leptuca umbratila ''Leptuca'' is a genus of fiddler crabs belonging to the family Ocypodidae. The species of this genus are found on the coasts of the Americas. Description They are small- to large-sized crabs with an adult carapace width of 5–25 mm in adult ...
'' (Crane, 1941) (Pacific mangrove fiddler crab) * ''
Leptuca uruguayensis ''Leptuca uruguayensis'', commonly known as the Uruguayan fiddler crab or the southwestern Atlantic fiddler crab, is a species of fiddler crab native to temperate and subtropical areas of the southeastern coast of South America. Taxonomy Previ ...
'' (Nobili, 1901) (Uruguayan fiddler crab)


References

{{Taxonbar, from=Q104830417 Ocypodoidea