Rhamdia

Rhamdia is a genus of three-barbeled catfishes found in Mexico, Central and South America. These catfishes are nocturnal, opportunistic carnivores, found in a wide range of freshwater habitats. This genus includes a number of troglobitic members, encompassing a number of taxa, including R. enfurnada, R. guasarensis, R. laluchensis, R. laticauda, R. macuspanensis, R. quelen, R. reddelli and R. zongolicensis. In a few of these only some of their populations are troglobitic.

==Species== There are currently 27 recognized species in this genus: Rhamdia branneri Haseman, 1911 Rhamdia cinerascens (Günther, 1860) Rhamdia enfurnada Bichuette & Trajano, 2005 Rhamdia eurycephala Angrizani & Malabarba, 2018 Rhamdia foina (J. P. Müller & Troschel, 1849) Rhamdia gabrielae Angrizani & Malabarba, 2018 Rhamdia guasarensis DoNascimiento, Provenzano & Lundberg, 2004 Rhamdia guatemalensis (Günther, 1864) Rhamdia humilis (Günther, 1864) Rhamdia itacaiunas Silfvergrip, 1996 Rhamdia jequitinhonha Silfvergrip, 1996 Rhamdia laluchensis A. Weber, Allegrucci & Sbordoni, 2003 (La Lucha blind catfish) Rhamdia laticauda (Kner, 1858) (File-spine chulín) Rhamdia laukidi Bleeker, 1858 Rhamdia macuspanensis A. Weber & Wilkens, 1998 (Olmec blind catfish) Rhamdia muelleri (Günther, 1864) Rhamdia nicaraguensis (Günther, 1864) Rhamdia parryi C. H. Eigenmann & R. S. Eigenmann, 1888 (Tonala catfish) Rhamdia parvus (Boulenger, 1898) Rhamdia poeyi C. H. Eigenmann & R. S. Eigenmann, 1888 Rhamdia quelen (Quoy & Gaimard, 1824) (Silver catfish) Rhamdia reddelli R. R. Miller, 1984 (Blind-whiskered catfish) Rhamdia saijaensis Rendahl (de), 1941 Rhamdia schomburgkii Bleeker, 1858 Rhamdia velifer (Humboldt, 1821) Incertae sedis Rhamdia voulezi Haseman, 1911 Rhamdia xetequepeque Silfvergrip, 1996 Rhamdia zongolicensis Wilkens, 1993 (Zongolica catfish)