AquaticRepublic.com - Hypostomus commersoni (Loricariidae) All Fishes

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Close-up of mouth
From Rio Yaguaron
Juvenile from Rio Yaguaron
Rio Yaguaron habitat
From Rio Yaguaron

All Fishes Data Sheet
Scientific Name	**Hypostomus commersoni** Valenciennes, 1836
Common Names	Commersons Pleco Commersons Sugemalle (Denmark), Red Fin Uruguay (USA)
Type Locality	Río de La Plata, Montevideo, Uruguay.
Synonym(s)	Hypostomus limosus, Hypostomus spiniger, Plecostomus commersoni, Plecostomus commersonii, Plecostomus limosus
Pronunciation	hi POSS tow muss
Etymology	Greek, hypo = under + Greek, stoma = mouth.
Species Information
Size	425mm or 16.7" SL. Find near, nearer or same sized spp.
Habitat Information
Distribution	South America: Middle and lower Paraná and Uruguay River basins and from the Laguna dos Patos basin. La Plata, Uruguay (click on these areas to find other species found there) Rio Grande Do Sul State Waters, Laguna dos Patos (click on these areas to find other species found there) La Plata, Uruguay, Upper Uruguay, Pelotas (click on these areas to find other species found there) Southern Atlantic Draining Rivers, Samborombon Bay, Langueyu (click on these areas to find other species found there) Southern Atlantic Draining Rivers, Samborombon Bay, Salado (Buenos Aires) (click on these areas to find other species found there) Login to view the map.
IUCN Red List Category	Least Concern , range map and more is available on the IUCN species page. Last assessed 2020.
Husbandry Information
Feeding	Feeds on organic material on the bottom. User data.
Breeding	Unreported.
Breeding Reports	There is no breeding report.
Further Information
Reference	Voyage dans l'Amérique méridionale, pp Pl. 7 (fig. 2).
Registered Keepers	There is no registered keeper.
Wishlists	Love this species? Click the heart to add it to your wish list. There is no wish to keep this species.
Spotters	Spotted this species somewhere? Click the binoculars! There are 4 records of this fish being seen, view them all.
Forum BBCode

	Look up H. commersoni on PlanetCatfish.com
	Look up H. commersoni on Fishbase
	Look up H. commersoni on Encyclopedia of Life
	Look up H. commersoni on Global Biodiversity Information Facility
	LFS label creator ARN ref:1.4.17.1863
Last Update	2025 Jan 02 01:41 (species record created: 2006 Apr 11 00:00)