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