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  • Hypostomus commersoni
  • Hypostomus commersoni
  • Hypostomus commersoni
  • Hypostomus commersoniClose-up of mouth
  • Hypostomus commersoni
  • Hypostomus commersoniFrom Rio Yaguaron
  • Hypostomus commersoniJuvenile from Rio Yaguaron
  • Hypostomus commersoniRio Yaguaron habitat
  • Hypostomus commersoniFrom Rio Yaguaron
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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, Plecostomus commersoni, Plecostomus limosus
Pronunciation hi POSS tow muss
Etymology Greek, hypo = under + Greek, stoma = mouth. 
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Size 425mm or 16.7" SL. Find near, nearer or same sized spp.
Hop to next section 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)

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IUCN Red List Category Least Concern, range map and more is available on the IUCN species page. Last assessed 2020.
Hop to next section Husbandry Information
Feeding Feeds on organic material on the bottom. User data.
Breeding Unreported.
Breeding Reports There is no breeding report.
Hop to next section Further Information
Reference Voyage dans l'Amérique méridionale, pp Pl. 7 (fig. 2).
Registered Keepers There is no registered keeper.
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There are 4 records of this fish being seen, view them all.
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Last Update 2021 Mar 12 11:08 (species record created: 2006 Apr 11 00:00)