n = 60
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Uca acuta | (Stimpson, 1858) | Tubuca acuta | Ocypodidae | |
| Uca annulipes | (Milne-Edwards, 1837) | Uca annulipes | Ocypodidae | Porcelain fiddler crab |
| Uca arcuata | (De Haan, 1835) | Uca arcuata | Ocypodidae | |
| Uca burgersi | Holthuis, 1967 | Uca burgersi | Ocypodidae | Saltpan fiddler |
| Uca capricornis | Crane, 1975 | Tubuca capricornis | Ocypodidae | |
| Uca chlorophthalmus | (Milne-Edwards, 1837) | Uca chlorophthalmus | Ocypodidae | |
| Uca coarctata | (Milne-Edwards, 1852) | Uca coarctata | Ocypodidae | |
| Uca crassipes | (White, 1847) | Uca crassipes | Ocypodidae | |
| Uca crenulata | (Lockington, 1877) | Uca crenulata | Ocypodidae | Mexican fiddler |
| Uca cumulanta | Crane, 1943 | Uca cumulanta | Ocypodidae | Heaping fiddler crab |
| Uca dampieri | Crane, 1975 | Gelasimus dampieri | Ocypodidae | |
| Uca dussumieri | (Milne-Edwards, 1852) | Uca dussumieri | Ocypodidae | Purple fiddler crab |
| Uca dussumieri spinata | Crane, 1975 | Uca paradussumieri | Ocypodidae | Purple fiddler |
| Uca elegans | George & Jones, 1982 | Tubuca elegans | Ocypodidae | |
| Uca flammula | Crane, 1975 | Tubuca flammula | Ocypodidae | |
| Uca forcipata | (Adams & White, 1849) | Uca forcipata | Ocypodidae | |
| Uca gaimardi | Milne-Edwards, 1852 | Uca chlorophthalmus | Ocypodidae | |
| Uca hesperiae | Crane, 1975 | Gelasimus hesperiae | Ocypodidae | |
| Uca hirsutimanus | George & Jones, 1982 | Tubuca hirsutimanus | Ocypodidae | |
| Uca inversa | (Hoffman, 1874) | Uca inversa | Ocypodidae | |
| Uca iranica | Pretzmann, 1971 | Austruca iranica | Ocypodidae | |
| Uca lactea | (De Haan, 1835) | Uca lactea | Ocypodidae | |
| Uca leptodactyla | Rathbun, 1898 | Uca leptodactyla | Ocypodidae | Marbled fiddler |
| Uca longisignalis | Salmon & Atsaides, 1968 | Uca longisignalis | Ocypodidae | Gulf marsh fiddler |
| Uca major | Herbst, 1782 | Uca major | Ocypodidae | |
| Uca maracoani | (Latreille, 1802) | Uca maracoani | Ocypodidae | Brazilian fiddler crab |
| Uca marguerita | Thurman, 1981 | Uca marguerita | Ocypodidae | Olmec fiddler |
| Uca marionis | (Desmarest, 1823) | Gelasimus vocans | Ocypodidae | Orange fiddler crab |
| Uca minax | (Le Conte, 1855) | Uca minax | Ocypodidae | Redjointed fiddler |
| Uca mjoebergi | Rathbun, 1924 | Austruca mjoebergi | Ocypodidae | |
| Uca mordax | (Smith, 1870) | Uca mordax | Ocypodidae | |
| Uca neocultrimana | Bott, 1973 | Uca neocultrimana | Ocypodidae | |
| Uca panacea | Novak & Salmon, 1974 | Uca panacea | Ocypodidae | Gulf sand fiddler |
| Uca paradussumieri | Bott, 1973 | Uca paradussumieri | Ocypodidae | Purple fiddler |
| Uca perplexa | (Milne-Edwards, 1837) | Uca perplexa | Ocypodidae | Lemon clawed fiddler crab |
| Uca polita | Crane, 1975 | Tubuca polita | Ocypodidae | |
| Uca pugilator | (Bosc, 1802) | Uca pugilator | Ocypodidae | Atlantic sand fiddler |
| Uca pugnax | (Smith, 1870) | Uca pugnax | Ocypodidae | Atlantic marsh fiddler |
| Uca rapax | (Smith, 1870) | Uca rapax | Ocypodidae | Mudflat fiddler |
| Uca rhizophorae | Tweedie, 1950 | Uca rhizophorae | Ocypodidae | |
| Uca rosea | (Tweedie, 1937) | Uca rosea | Ocypodidae | Rosy fiddler crab |
| Uca seismella | Crane, 1975 | Tubuca seismella | Ocypodidae | |
| Uca signata | (Hess, 1865) | Tubuca signata | Ocypodidae | |
| Uca sindensis | (Alcock, 1900) | Uca sindensis | Ocypodidae | Indus fiddler crab |
| Uca speciosa | (Ives, 1891) | Uca speciosa | Ocypodidae | Longfinger fiddler |
| Uca spinata | Crane, 1975 | Uca paradussumieri | Ocypodidae | Purple fiddler |
| Uca spinicarpa | Rathbun, 1900 | Uca spinicarpa | Ocypodidae | Spined fiddler |
| Uca subcylindrica | (Stimpson, 1851) | Uca subcylindrica | Ocypodidae | Laguna madre fiddler |
| Uca tangeri | (Eydoux, 1835) | Uca tangeri | Ocypodidae | West African fiddler crab |
| Uca tetragonon | (Herbst, 1790) | Uca tetragonon | Ocypodidae | Fiddler crab |
| Uca thayeri | Rathbun, 1900 | Uca thayeri | Ocypodidae | Mangrove fiddler |
| Uca triangularis | (Milne-Edwards, 1873) | Uca triangularis | Ocypodidae | |
| Uca uruguayensis | Nobili, 1901 | Uca uruguayensis | Ocypodidae | |
| Uca urvillei | (Milne Edwards, 1852) | Uca urvillei | Ocypodidae | |
| Uca victoriana | von Hagen, 1987 | Minuca victoriana | Ocypodidae | |
| Uca virens | Salmon & Atsaides, 1968 | Uca virens | Ocypodidae | |
| Uca vocans | (Linnaeus, 1758) | Gelasimus vocans | Ocypodidae | Orange fiddler crab |
| Uca vocans borealis | Crane, 1975 | Gelasimus borealis | Ocypodidae | |
| Uca vocator | (Herbst, 1804) | Uca vocator | Ocypodidae | Hairback fiddler |
| Uca vomeris | McNeill, 1920 | Uca vomeris | Ocypodidae |