All FishesPseudopimelodidaeRhyacoglanis  |  | 

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Scientific Name Rhyacoglanis paranensis  Shibatta & Vari, 2017
Common Name
Type Locality Rio Piracicaba, São Paulo, Brazil, 22°43'10"S, 47°39'21"W.
Etymology Rhyacoglanis, from the Greek rhyax = torrent + glanis = catfish; indicating a catfish inhabiting running waters in reference to the habitat of the genus. Gender masculine. The specific epithet paranensis is an adjective, referencing the occurrence of the species in the upper rio Paraná basin.
Hop to next section Species Information
Size 89mm or 3.5" SL. Find near, nearer or same sized spp.
Identification Rhyacoglanis is distinguished from other Pseudopimelodidae by three synapomorphies: presence of a light blotch on the cheek; a connection between the middle of the dark caudal-fin stripe and the dark caudal-peduncle pigmentation; and 30-35 total vertebrae. A key to the species is located HERE.
Hop to next section Habitat Information
Distribution South America: upper Rio Paraná basin (Brazil).
La Plata, Paraná, Upper Paraná, Tietê, Piracicaba (São Paulo) (click on these areas to find other species found there)
La Plata, Paraná, Ivaí (click on these areas to find other species found there)
La Plata, Paraná, Iguatemi (click on these areas to find other species found there)
La Plata, Paraná, Paranapanema (click on these areas to find other species found there)
La Plata, Paraná, Upper Paraná, Pardo (Mato Grosso do Sul), Mogi Guaçu (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.
Other Parameters Little is known of these fish in the aquarium. Provide good aeration; modest current may be beneficial.
Hop to next section Husbandry Information
Furniture See general remarks. Rhyacoglanis likely prefer well-aerated water with significant current over a substrate of rocks, pebbles and sand.
Breeding Unreported.
Breeding Reports There is no breeding report.
Hop to next section Further Information
Reference Neotropical Ichthyology v. 15 (no. 2) e160132, pp 11, Figs. 3c, 7, 8.
Registered Keepers There is no registered keeper.
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There is no record of this fish being seen.
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Last Update 2023 Jul 22 08:57 (species record created: 2017 Jun 13 08:24)