''Ancistomus'' 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
suckermouth armored catfishes found in shallow waters in rapidly flowing rivers in the southeastern
Amazon basin
The Amazon basin is the part of South America drained by the Amazon River and its tributaries. The Amazon drainage basin covers an area of about , or about 35.5 percent of the South American continent. It is located in the countries of Bolivi ...
in
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 5 recognized species in this genus:
* ''
Ancistomus feldbergae''
R. R. de Oliveira, Rapp Py-Daniel, Zuanon & M. S. Rocha, 2012
* ''
Ancistomus micrommatos
''Ancistomus micrommatos'' is a species of catfish in the family Loricariidae. It is a freshwater fish native to South America, where it is known only from the Tocantins River basin in Brazil. The species reaches 11.9 cm (4.7 inches) in standard l ...
''
A. R. Cardoso & P. H. F. Lucinda, 2003
* ''
Ancistomus snethlageae''
Steindachner
Franz Steindachner (11 November 1834 in Vienna – 10 December 1919 in Vienna) was an Austrian zoologist, ichthyologist, and herpetologist. He published over 200 papers on fishes and over 50 papers on reptiles and amphibians. Steindachner describ ...
, 1911
* ''
Ancistomus spilomma
''Ancistomus spilomma'' is a species of catfish in the family Loricariidae. It is native to South America, where it is known only from the Tocantins River basin in Brazil. The species reaches 14.2 cm (5.6 inches) in standard length. Although origi ...
''
A. R. Cardoso & P. H. F. Lucinda, 2003
* ''
Ancistomus spinosissimus
''Ancistomus spinosissimus'' is a species of catfish in the family Loricariidae. It is a freshwater fish native to South America, where it is known only from the upper and middle Tocantins River basin in Brazil. The species reaches 12.7 cm (5 inch ...
''
A. R. Cardoso & P. H. F. Lucinda, 2003
References
Fish of South America
Hypostominae
{{Loricariidae-stub