''Trichogenes'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
pencil catfishes. It is currently the only genus within the
subfamily
In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end subfamily botanical names with "-oideae", and zoologi ...
''Trichogeninae''.
A third species was
described in 2020 from archival material of unknown origin. The wild distribution of the new species, ''T. beagle,'' is unknown.
Distribution
''Trichogenes'' species are
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 elsew ...
to
Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
.
Species
There are currently three recognized species in this genus:
* ''
Trichogenes beagle
''Trichogenes'' is a genus of pencil catfishes. It is currently the only genus within the subfamily ''Trichogeninae''.
A third species was described in 2020 from archival material of unknown origin. The wild distribution of the new species, ' ...
''
* ''
Trichogenes claviger''
de Pinna, Helmer, Britski & Nunes, 2010
* ''
Trichogenes longipinnis
''Trichogenes longipinnis'' (the long-finned cambeva), is a species of catfish (order Siluriformes) of the family Trichomycteridae.
''T. longipinnis'' is endemic to coastal streams in the Atlantic forest between Rio de Janeiro and São Paulo Sta ...
''
Britski & Ortega, 1983
References
Trichomycteridae
Fish of Brazil
Freshwater fish genera
Catfish genera
Taxa named by Heraldo Antonio Britski
Taxa named by Hernán Ortega
{{Trichomycteridae-stub