Synonyms
Cascudo-viola
least concern
Length (total)
approx. 50 cm
Standard length (documented)
460.0 mm
Recommended tank size
250 cm
Temperature
18 - 22 °C
arroio Jaguari-mirim, río Luján, rio Ibicuí da Armada, arroio Ibicuí da Faxina, arroio Itapevi, río Negro, rio Saicã, arroio do Salso, ➀ río Tacuarembó, rio Caí, rio Camaquã, lagoa da Cerquinha, lagoa Cidreira, lagoa da Fortaleza, rio Guaíba, rio Jacuí, arroio dos Ladrões, arroio Restinga Antônio, lagoa Rincãoa das Èguas, lagoa da Rondinha, arroio Sampaio, rio dos Sinos, rio Taquari-Mirim, rio Jaguarão, arroio Telho, lagoa dos Patos = laguna dos Patos -, ➀ río Uruguay = rio Uruguai -, lower ➀ río Paraná = rio Paraná basin, Atlantic SE: coastal waters Rio Grande do Sul
Rivera, Tacuarembó, Entre Rios, Rio Grande do Sul, Soriano, Río Negro, Santa Fé, Santa Catarina
Argentina, Brazil, Uruguay
rio Ibicuí da Armada ⇒ rio Santa Maria ⇒ rio Ibicuí | río Negro ⇒ rio Uruguai = río Uruguay | rio Mojiguaçu ➙ rio Pardo ➙ rio Grande ➙ río Paraná ⇒ río de la Plata | rio Vacacaí | rio Taquari ⇒ rio Jacuí ➙ rio Guaíba | rio Camaquã | rio Jaguarão = río Yaguarón → laguna Merín → canal São Gonçalo ⇒ la
˜[ -34.285,-58.395 ]
Substrate
sand, mud
Nutrition (mostly): omnivore
detritus, vegetable fibers, water fleas (Cladocera), Copepods (Copepoda), (sand), shells (Bivalvia), ephemeroptera (Ephemeroptera) (larvae), decapod (Decapoda) (larvae), ostracods (Ostracoden), diatoms (Bacillariophyceae), algae, insects (aquatic), diptera (Diptera) (larvae), amoebas, scales, inverbrates (aquatic) (invertebrates (aquatic)), inverbrates (terrestrial) (invertebrates (terrestris)), insects (terrestrial)
Eats plants
not known
Keeping in (small) groups is recommended. Individual keeping is possible.
from genus: note lips
lip breeder
from genus: yes
unknown
 
absent
I / 6 rays
12 soft rays
I / 7 rays
I / 6 rays
12 soft rays
I / 7 rays
Sympatric with
Hyphessobrycon nicolasi
Not on the positive list of Brazil in 2012 : The positive list of Brazil
Not on the negative list of Brazil from 2020 : The negative list of Brazil
Not on the negative list of Brazil from 2020 : The negative list of Brazil
- Valenciennes, A., 1836 "Poissons [plates]" (A. d'Orbigny. Voyage dans l'Amérique méridionale)
- Reis, R.E., Kullander, S.O. & Ferraris, C.J. et.al., 2003 "Check List of the Freshwater Fishes of South and Central America" P. 338
- H.-G. Evers / I. Seidel "Welsatlas 1" edition: 2 P.516 - 517
- Werner, Uwe: "Welse aus Uruguay (Teil 1)"
(DATZ Juli 2017)
- Valenciennes, 1840 "Siluroïdes" (Histoire naturelle des poissons, Vol. 15, P. 470)
- Bertaco, V.A.; Ferrer, J.; Carvalho, F.R. & Malabarba, L.R., 2016 "Article Inventory of the freshwater fishes from a densely collected area in South America —a case study of the current knowledge of Neotropical fish diversity" (Zootaxa, Vol. 4138 No. 3, P. 419)
- Nión, H.; Rios, C. & Meneses, P., 2016 "Peces del Uruguay - Lista sistemática y nombres comunes"
- Londoño-Burbano, A. & Reis, R.E., 2021 "A combined molecular and morphological phylogeny of the Loricariinae (Siluriformes: Loricariidae), with emphasis on the Harttiini and Farlowellini" (PlosOne)
- Silva, G.H.; Zeni, J.O. & Langeani, F., 2025 "Head morphology and diet of whiptail catfishes (Loricariidae: Loricariinae)" (Neotropical ichthyology, Vol. 21 No. 3)
- Malabarba, L.R.;Hirschmann,A.; Lucena,C.A.S. de; Giora,J.; Wingert,J.M.; Ferrer,J.; Silva,P.C ; Angrizani,R.C.; Costa Ramos,R. da; Kullander,S.; Carvalho,T.P.; Bertaco,V.; Fialho,C.B. & Bonato,K.O., 2025 "Guia Peixes do Bioma Pampa"
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