''Rhamdia'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

three-barbeled catfish The Heptapteridae, or three-barbeled catfishes, are a family of catfish that originate from the Americas. Most species are restricted to South America, but '' Imparfinis lineatus'', '' Nemuroglanis panamensis'' and ''Pimelodella chagresi'' are n ...

es found in

Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...

, Central and

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...

. These catfishes are nocturnal, opportunistic carnivores, found in a wide range of freshwater habitats. This genus includes a number of

troglobitic A troglobite (or, formally, troglobiont) is an animal species, or population of a species, strictly bound to underground habitats, such as caves. These are separate from species that mainly live in above-ground habitats but are also able to live u ...

members, encompassing a number of

taxa In biology, a taxon (back-formation from ''taxonomy''; : taxa) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit. Although neither is required, a taxon is usually known by a particular name and ...

, 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 argentina'' (

Humboldt Humboldt may refer to: People * Alexander von Humboldt, German natural scientist, brother of Wilhelm von Humboldt * Wilhelm von Humboldt, German linguist, philosopher, and diplomat, brother of Alexander von Humboldt Fictional characters * Hu ...

, 1821) * ''

Rhamdia branneri ''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 mem ...

'' Haseman, 1911 * ''

Rhamdia cinerascens ''Rhamdia'' is a genus of three-barbeled catfishes found in Mexico, Central America, Central and South America. These catfishes are nocturnal, opportunistic carnivores, found in a wide range of freshwater habitats. This genus includes a number of ...

'' ( Günther, 1860) * ''

Rhamdia enfurnada ''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 mem ...

'' Bichuette & Trajano, 2005 * ''

Rhamdia eurycephala ''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 mem ...

'' Angrizani & Malabarba, 2018 * ''

Rhamdia foina ''Rhamdia'' is a genus of three-barbeled catfishes found in Mexico, Central America, Central and South America. These catfishes are nocturnal, opportunistic carnivores, found in a wide range of freshwater habitats. This genus includes a number of ...

'' ( J. P. Müller & Troschel, 1849) * ''

Rhamdia guasarensis ''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 mem ...

'' DoNascimiento, Provenzano & Lundberg, 2004 * ''

Rhamdia guatemalensis ''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 m ...

'' ( Günther, 1864) * ''

Rhamdia humilis ''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 mem ...

'' ( Günther, 1864) * ''

Rhamdia itacaiunas ''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 mem ...

'' Silfvergrip, 1996 * ''

Rhamdia jequitinhonha ''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 mem ...

'' Silfvergrip, 1996 * '' Rhamdia laluchensis'' A. Weber, Allegrucci & Sbordoni, 2003 (La Lucha blind catfish) * ''

Rhamdia laticauda ''Rhamdia'' is a genus of three-barbeled catfishes found in Mexico, Central America, Central and South America. These catfishes are nocturnal, opportunistic carnivores, found in a wide range of freshwater habitats. This genus includes a number of ...

'' ( Kner, 1858) (File-spine chulín) * '' Rhamdia laukidi''

Bleeker Bleeker is a Dutch occupational surname. Bleeker is an old spelling of ''(linnen)bleker'' ("linen bleacher").Rhamdia macuspanensis ''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 mem ...

'' A. Weber &

Wilkens Wilkens is a surname. Notable people with the surname include: * Andrea Wilkens (born 1984), German footballer * Ann Wilkens (born 1944), Swedish former journalist, diplomat and ambassador * April Rose Wilkens (born 1970), American convicted mu ...

, 1998 (Olmec blind catfish) * ''

Rhamdia muelleri ''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 mem ...

'' ( Günther, 1864) * '' Rhamdia nicaraguensis'' ( Günther, 1864) * '' Rhamdia parryi'' C. H. Eigenmann & R. S. Eigenmann, 1888 (Tonala catfish) * ''

Rhamdia poeyi ''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 mem ...

'' C. H. Eigenmann & R. S. Eigenmann, 1888 * ''

Rhamdia quelen ''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 mem ...

'' ( Quoy &

Gaimard Joseph Paul Gaimard (31 January 1793 – 10 December 1858) was a French naval surgeon and naturalist. Biography Gaimard was born at Saint-Zacharie on January 31, 1793. He studied medicine at the naval medical school in Toulon, subsequent ...

, 1824) (Silver catfish) * ''

Rhamdia reddelli The juil ciego or blindwhiskered catfish (''Rhamdia reddelli'') is a species of three-barbeled catfish Endemism, endemic to Mexico. This species is Cavefish, troglobitic, inhabiting a certain stream that flows through a single cave system. Desc ...

'' R. R. Miller, 1984 (Blind-whiskered catfish) * ''

Rhamdia saijaensis ''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 mem ...

'' Rendahl ( de), 1941 * '' Rhamdia schomburgkii''

Bleeker Bleeker is a Dutch occupational surname. Bleeker is an old spelling of ''(linnen)bleker'' ("linen bleacher").Rhamdia velifer'' (

, 1821) * ''

Rhamdia voulezi ''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 mem ...

'' Haseman, 1911 * ''

Rhamdia xetequepeque ''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 mem ...

'' Silfvergrip, 1996 * ''

Rhamdia zongolicensis ''Rhamdia zongolicensis'' (common name: Zongolica catfish) is a species of three-barbeled catfish endemic to Mexico. Its specific name refers to Zongolica, the area in Veracruz state where it occurs. It is a cave fish similar to '' Rhamdia latic ...

, 1993 (Zongolica catfish)

References

External links

* {{Taxonbar, from=Q3282872 Heptapteridae Catfish genera Taxa named by Pieter Bleeker Freshwater fish genera Taxonomy articles created by Polbot