''Rhadinoloricaria'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...
of
catfish
Catfish (or catfishes; order Siluriformes or Nematognathi) 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 three largest species alive ...
endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found else ...
to
South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the sout ...
.
It was considered to be
monotypic
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispe ...
until the 2020 discovery of a second species.
''Rhadinoloricaria'' is part of the ''Pseudohemiodon'' group of the tribe
Loricariini in the subfamily
Loricariinae
Loricariinae is a subfamily of the family Loricariidae of catfish (order Siluriformes). This subfamily is divided into two tribe (biology), tribes and about 30 genus, genera. They are mainly native to freshwater habitats in South America, but the ...
.
[ '' Apistoloricaria'' and '' Crossoloricaria'' include fish that are very similar to ''Rhadinoloricaria'', and it has been proposed that the former two genera be synonymized with the latter.
]
Species
There are currently two recognized species:
References
Loricariini
Taxa named by Isaäc J. H. Isbrücker
Taxa named by Han Nijssen
Catfish genera
{{Loricariidae-stub