Rhamdia
Encyclopedia
Rhamdia is a genus
of catfish
es (order
Siluriformes) of the family
Heptapteridae
.
The monophyly
of Rhamdia is not yet established.
Rhamdia catfishes are nocturnal, opportunistic carnivores. This genus includes a number of troglobitic
members, encompassing a number of taxa
, including R. quelen urichi, R. laticauda typhla, R. reddelli, R. macuspanensis, R. laluchensis, and R. enfurnada.
:
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of catfish
Catfish
Catfishes are a diverse group of ray-finned fish. Named for their prominent barbels, which resemble a cat's whiskers, catfish range in size and behavior from the heaviest and longest, the Mekong giant catfish from Southeast Asia and the second longest, the wels catfish of Eurasia, to detritivores...
es (order
Order (biology)
In scientific classification used in biology, the order is# a taxonomic rank used in the classification of organisms. Other well-known ranks are life, domain, kingdom, phylum, class, family, genus, and species, with order fitting in between class and family...
Siluriformes) of the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
Heptapteridae
Heptapteridae
Heptapteridae is a family of catfish that originate from Mexico to South America. Heptapteridae is derived from Greek, hepta meaning seven and pteron meaning fin....
.
The monophyly
Monophyly
In common cladistic usage, a monophyletic group is a taxon which forms a clade, meaning that it contains all the descendants of the possibly hypothetical closest common ancestor of the members of the group. The term is synonymous with the uncommon term holophyly...
of Rhamdia is not yet established.
Rhamdia catfishes are nocturnal, opportunistic carnivores. This genus includes a number of troglobitic
Troglobite
Troglobites are small cave-dwelling animals that have adapted to their dark surroundings. Troglobite species include spiders, insects, fish and others. They live permanently underground and cannot survive outside the cave environment. Troglobite adaptations and characteristics include a heightened...
members, encompassing a number of taxa
Taxon
|thumb|270px|[[African elephants]] form a widely-accepted taxon, the [[genus]] LoxodontaA taxon is a group of organisms, which a taxonomist adjudges to be a unit. Usually a taxon is given a name and a rank, although neither is a requirement...
, including R. quelen urichi, R. laticauda typhla, R. reddelli, R. macuspanensis, R. laluchensis, and R. enfurnada.
Species
Rhamdia includes the following speciesSpecies
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
:
- Rhamdia enfurnada Bichuette & Trajano, 2005.
- Rhamdia foina (MüllerJohannes Peter MüllerJohannes Peter Müller , was a German physiologist, comparative anatomist, and ichthyologist not only known for his discoveries but also for his ability to synthesize knowledge.-Early years and education:...
& TroschelFranz Hermann TroschelFranz Hermann Troschel was a German zoologist who was born in Spandau. He studied mathematics and natural history at the University of Berlin, and beginning in 1840 was an assistant to Martin Lichtenstein at the Humboldt Museum of Natural History in Berlin...
, 1848). - Rhamdia guasarensis Do Nascimiento, Provenzano & Lundberg, 2004.
- Rhamdia humilis (GüntherAlbert C. L. G. GüntherAlbert Karl Ludwig Gotthilf Günther FRS, also Albert Charles Lewis Gotthilf Günther , was a German-born British zoologist, ichthyologist, and herpetologist....
, 1864). - Rhamdia itacaiunas Silfvergrip, 1996.
- Rhamdia jequitinhonha Silfvergrip, 1996.
- Rhamdia laluchensis Weber, Allegrucci & Sbordoni, 2003.
- Rhamdia laticauda (Kner, 1857).
- Rhamdia laukidi Bleeker, 1858.
- Rhamdia macuspanensis Weber & Wilkens, 1998.
- Rhamdia muelleri (Günther, 1864).
- Rhamdia nicaraguensis (Günther, 1864).
- Rhamdia parryi EigenmannCarl H. EigenmannCarl H. Eigenmann was an ichthyologist who, along with his wife Rosa Smith Eigenmann, described many of the fishes of North America and South America for the first time....
& EigenmannRosa Smith EigenmannRosa Smith Eigenmann was the first notable female ichthyologist; first publishing in her own right, she later collaborated with her husband Carl H. Eigenmann, and some 150 species of fish are today credited "Eigenmann & Eigenmann" as a result.She was born in Monmouth, Illinois, the last of nine...
, 1888. - Rhamdia poeyi Eigenmann & Eigenmann, 1888.
- Rhamdia quelen (Quoy & Gaimard, 1824).
- Rhamdia reddelli Miller, 1984.
- Rhamdia xetequepeque Silfvergrip, 1996.