Rhamdia voulezi
Haseman, 1911
Synonyms
jundiá
Length (total)
approx. 40 cm
Recommended tank size
200 cm
Temperature
18 - 25 °C
Paraná, Misiones (ARG)
Argentina, Brasil
arroio Salto ⇒ rio São Salvador | rio Floriano ⇒ rio Iguaçu → río Paraná → río de la Plata → Atlantic SE
[ -26.230,-51.079 ]
Habitat river width
3.20 - 4.60 m
(Prefered) River depth
~0.15 m
Substrate
gravel, sand, rocks
On the riverbank
forest
Nutrition (mostly): carnivore
Eats plants
not known
unknown
long
convex
greatly incised / concave, pointed
I / 7 rays
convex
convex
greatly incised / concave, pointed
I / 7 rays
convex
Sympatric with
Ancistrus mullerae
Cambeva davisi
Cambeva mboycy
Cambeva stawiarski
Hisonotus yasi
Hypostomus derbyi
Rhamdia branneri
Astyanax bifasciatus
Astyanax dissimilis
Astyanax gymnodontus
Astyanax lacustris
Cambeva davisi
Cambeva mboycy
Cambeva stawiarski
Hisonotus yasi
Hypostomus derbyi
Rhamdia branneri
Astyanax bifasciatus
Astyanax dissimilis
Astyanax gymnodontus
Astyanax lacustris
Astyanax minor
Bryconamericus ikaa
Bryconamericus pyahu
Gymnotus sylvius
Heptapterus sp.
Hoplias sp.
Hoplisoma carlae
Phalloceros harpagos
Poecilia reticulata
Synbranchus marmoratus
Trichomycterus sp.
Bryconamericus ikaa
Bryconamericus pyahu
Gymnotus sylvius
Heptapterus sp.
Hoplias sp.
Hoplisoma carlae
Phalloceros harpagos
Poecilia reticulata
Synbranchus marmoratus
Trichomycterus sp.
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
- Silfvergrip, A.M.C. , 1996 "A systematic revision of the neotropical catfish genus Rhamdia (Teleostei, Pimelodidae)" P. 96
- Reis, R.E., Kullander, S.O. & Ferraris, C.J. et.al., 2003 "Check List of the Freshwater Fishes of South and Central America" P. 425
- Haseman, John D., 1911 "Some new Species of Fishes from the Rio Iguassú" (Annals of the Carnegie Museum, Vol. 7, P. 378)
- Garavello, J.C. & Shibatta, O.A., 2016 "Reappraisal of Rhamdia branneri Haseman, 1911 and R. voulezi Haseman, 1911 (Siluriformes: Heptapteridae) from the rio Iguaçu with notes on their morphometry and karyotype" (Neotropical Ichthyology, Vol. 14 No. 1)
- Marcos, R.M., 2017 "Biologia reprodutiva das espécies Rhamdia branneri Haseman, 1911 e R. voulezi Haseman, 1911, (Siluriformes: Heptapteridae) em condições de cativeiro"
- Ribolli, J.; Scaranto, B.M.; Shibatta, O.A.; Bombardelli, R.A. & Zaniboni-Filho, E., 2017 "DNA barcoding confirms the occurrence of Rhamdia branneri and Rhamdia voulezi (Siluriformes: Heptapteridae) in the Iguaçu River basin" (Neotropical Ichthyology, Vol. 15 No. 1)
- Bittencourt, F.; Damasceno, D.Z.; Diemer, O. Boscolo, W.R.; Feiden, A. & Romagosa, E., 2018 "The effects of L-lysine in the diet of silver catfish (Rhamdia voulezi) female broodstocks" (Latin american journal of aquatic research, Vol. 46 No.1)
- Delariva, R.L.; Neves, M.P.; Larentis, C.; Kliemann, B.C.K.; Baldasso, M.C. & Wolff, L.L., 2018 "Fish fauna in forested and rural streams from an ecoregion of high endemism, lower Iguaçu River basin, Brazil" (Biota Neotropica, Vol. 18 No. 3, P. 6)
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2424
15.10.2025