Hypoptopoma

Hypoptopoma is a genus of armored catfishes native to South America.

Hypoptopoma
Hypoptopoma inexspectatum
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Siluriformes
Family:	Loricariidae
Subfamily:	Hypoptopomatinae
Tribe:	Hypoptopomatini
Genus:	Hypoptopoma Günther, 1868
Type species
Hypoptopoma thoracatum Günther 1868
Synonyms
Aristommata Holmberg, 1893 Diapeltoplites Fowler, 1915 Nannoptopoma Schaefer, 1996

Taxonomy

The genus was established by Albert C. L. G. Günther in 1868 for his new species Hypoptopoma thoracatum, on the basis of the peculiar, depressed, spatulate formation of the head with the eyes on the lateral edges of the head.[1]

Species

There are currently 15 recognized species in this genus:[2]

• Hypoptopoma baileyi Aquino & Schaefer, 2010
• Hypoptopoma bianale Aquino & Schaefer, 2010
• Hypoptopoma brevirostratum Aquino & Schaefer, 2010
• Hypoptopoma elongatum Aquino & Schaefer, 2010
• Hypoptopoma guianense Boeseman, 1974
• Hypoptopoma gulare Cope, 1878
• Hypoptopoma incognitum Aquino & Schaefer, 2010
• Hypoptopoma inexspectatum (Holmberg, 1893)
• Hypoptopoma joberti (Vaillant, 1880)
• Hypoptopoma machadoi Aquino & Schaefer, 2010
• Hypoptopoma muzuspi Aquino & Schaefer, 2010
• Hypoptopoma psilogaster Fowler, 1915
• Hypoptopoma spectabile (Eigenmann, 1914)
• Hypoptopoma steindachneri Boulenger, 1895
• Hypoptopoma sternoptychum (Schaefer, 1996)
• Hypoptopoma thoracatum Günther, 1868

Distribution

Hypoptopoma species inhabit the drainage basins to the east of the Andes, except for river systems draining to the Atlantic between the mouth of the Amazon River in Brazil and the Paraná River in Argentina.[1]

References

1. Aquino, Adriana E.; Miquelarena, Amalia M. (2001). "Redescription of Hypoptopoma inexspectata (Holmberg, 1883), with Notes on its Anatomy (Siluriformes: Loricariidae)" (PDF). PHYSIS (Buenos Aires), Secc. B. 58 (134–135): 1–18. Archived from the original (PDF) on 2016-03-03. Retrieved 2007-06-15.
2. Froese, Rainer and Pauly, Daniel, eds. (2014). Species of Hypoptopoma in FishBase. August 2014 version.

Further reading

• Aquino, A. E.; Schaefer, S. A. (2010). "Systematics of the genus Hypoptopoma Günther, 1868 (Siluriformes, Loricariidae)" (PDF). Bulletin of the American Museum of Natural History. 336: 1–110. doi:10.1206/336.1. S2CID 83679116.