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Scientific Name Hypostomus gymnorhynchus  (Norman, 1926)
Common Name
Type Locality Iponcin Creek, into Approuague R., French Guiana.
Synonym(s) Plecostomus gymnorhynchus
Pronunciation hi POSS tow muss
Etymology Greek, hypo = under + Greek, stoma = mouth. This specific epithet refers to its bare(gymnos=bare, nude) snout (rhynkus=snout, nose).
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Size 170mm or 6.7" SL. Find near, nearer or same sized spp.
Hop to next section Habitat Information
Distribution South America: Guianan coastal drainages, from Oyapock westward to the Maroni basin.
Guyana Waters, Coastal Rivers of Guyanas, French Guyana Coastal Rivers, Oyapock (click on these areas to find other species found there)
Guyana Waters, Coastal Rivers of Guyanas, Suriname Coastal Rivers, Marowijne (click on these areas to find other species found there)
Guyana Waters, Coastal Rivers of Guyanas, French Guyana Coastal Rivers, Mana (click on these areas to find other species found there)
Guyana Waters, Coastal Rivers of Guyanas, French Guyana Coastal Rivers, Approuague (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 2021.
Hop to next section Husbandry Information
Breeding Unreported.
Breeding Reports There is no breeding report.
Hop to next section Further Information
Reference Annals and Magazine of Natural History (Series 9) v. 18 (no. 103), pp 95.
Registered Keepers There is no registered keeper.
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There is but a single record of this fish being seen, view it.
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Last Update 2020 Sep 27 07:41 (species record created: 2006 Jul 28 08:15)