Hypoptopoma inexspectatum (LDA 13)
Holmberg, 1893
unexpectedly
Synonyms
Cascudinho
Rapa-canoa
Aristommata inexpectatum
Aristommata nexspectata
Hypoptopoma guntheri
Longfinned Hypoptopoma
Oxyropsis inexpectata
Riesen Ohrgitterharnischwels
Vieja (Peru)
Rapa-canoa
Aristommata inexpectatum
Aristommata nexspectata
Hypoptopoma guntheri
Longfinned Hypoptopoma
Oxyropsis inexpectata
Riesen Ohrgitterharnischwels
Vieja (Peru)
Length (total)
approx. 10 cm
Standard length (documented)
80.0 mm
Recommended tank size
80 cm
Temperature
18 - 26 °C
Formosa, Mato Grosso, Mato Grosso do Sul, Corrientes, Misiones, Santa Fé, Buenos Aires, Santa Cruz, Alto Paraguay, Amambay, Central, Concepción, Presidente Hayes, San Pedro
Argentina, Bolivia, Brazil, Paraguay
rio São Lourenço ⇒ río Paraguay ⇒ río Paraná → río de la Plata → Atlantic SE
[ -26.185,-58.159 ]
Nutrition (mostly): vegetarian
Eats plants
not known
Keeping in groups is necessary.
Can breathe atmospheric
yes
facebook
5 soft rays
14 soft rays
I / 7 rays
6 soft rays
5 soft rays
14 soft rays
I / 7 rays
6 soft rays
5 soft rays
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
- Holmberg, E.L., 1893 "Nombres vulgares de peces Argentinos con sus equivalencias científicas" (Revista del Jardin Zoológico de Buenos Ayres) P. 85
- Holmberg, E.L. , 1893 "Dos peces Argentinos" (Revista del Jardin Zoológico de Buenos Ayres) P. 354
- Reis, R.E., Kullander, S.O. & Ferraris, C.J. et.al., 2003 "Check List of the Freshwater Fishes of South and Central America" P. 323
- Seidel, Ingo: "Über einige neu importierte BSSW-Fische"
(BSSW-Report 3/2010 - "Wels-Presseschau")
- Chiachio, M.C.; Olivera, C. & Montoya-Burgos, J.I., 2008 "Molecular systematic and historical biogeography of the armored Neotropical catfishes Hypotopomatinae and Neoplecostominae (Siluriformes: Loricariidae)" (abstract) (Molecular Phylogenetics and Evolution, Vol. 49 No. 2, P. 610)
- Aquino, A.E. & Schaefer, S.A., 2010 "Systematics of the genus Hypoptopoma Günther, 1868 (Siluriformes, Loricariidae)" (Bulletin Of The American Museum Of Natural History, No. 336, P. 60)
- Pereira, M.J.; Viana, L.F.; Sais, M.H.B. & Súarez, Y.R., 2020 "Reproduction of Hypoptopoma inexspectatum (Holmberg, 1893) (Siluriformes, Loricariidae) in the Southern Pantanal Floodplain, Upper Paraguay River Basin, Brazil" (Brazilian Journal of Biology, Vol. 81 No. 4)
- Muniz, C.C.; Mendes; E.F.; Souza Campos, D.V. de & Oliveira Junior, E.S., 2021 "Peixes que encantam no Pantanal" (Bichos do Pantanal)
- Gimênes Junior, H. & Rech, R. , 2022 "Guia ilustrado dos peixes do Pantanal e entorno"
- Krings, W.; Konn‑Vetterlein, D.; Hausdorf, B. & Gorb, S.N., 2023 "Holding in the stream: convergent evolution of suckermouth structures in Loricariidae (Siluriformes)" (Frontiers in Zoology, Vol. 20 No. 1, P. 37)
- --- find more ---
Many thanks to
for the pictures
H. P. Risch
1, 2, 6
Fajoe (PD)
3
Felix Pfeifer
4, 5
José "BlackSouL" Sole
7
Please help with your pictures and information to complete the database: database(at)welsfans.de
Link: https://www.suedamerikafans.de/en/wels-datenbank/welsart/?art=935
935
28.09.2025