Scleronema operculatum
Eigenmann, 1917
(Type species)
Synonyms
Bagrinho-da-areia-barrado
least concern
Length (total)
approx. 8 cm
Standard length (documented)
72.8 mm
Recommended tank size
60 cm
Rio Grande do Sul, Entre Rios
Argentina, Brazil, Uruguay
rio Ibicuí da Armada | sanga Santo Antônio ⇒ rio Santa Maria ⇒ rio Ibicuí → rio Uruguai = río Uruguay → río de la Plata → Atlantic SE
˜[ -29.880,-54.827 ]
Substrate
very fine sand
Chironomidae (Chironomidae), diptera (Diptera), dragon-fly (Odonata), (sand)
Eats plants
not known
unknown
i - ii / 4 - 6 rays
12 (- 13) soft rays
straight
top and bottom approximately the same length
ii / 9 - 10 (- 11) rays
6 soft rays
without filament
i / (5 -) 4 rays
12 (- 13) soft rays
straight
top and bottom approximately the same length
ii / 9 - 10 (- 11) rays
6 soft rays
without filament
i / (5 -) 4 rays
Sympatric with
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
- Reis, R.E., Kullander, S.O. & Ferraris, C.J. et.al., 2003 "Check List of the Freshwater Fishes of South and Central America" P. 278
- Eigenmann, C.H., 1917 "Descriptions of Sixteen New Species of Pygidiidae" (Proceedings of the American Philosophical Society, Vol. 56 No. 7, P. 691)
- 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. 421)
- Nión, H.; Rios, C. & Meneses, P., 2016 "Peces del Uruguay - Lista sistemática y nombres comunes"
- Ferrer, J. & Malabarba, L.R., 2020 "Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grasslands" (Neotropical Ichthyology, Vol. 18 No. 2)
- Ferrer, J. & Malabarba, L.R., 2020 "Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grasslands" (Neotropical Ichthyology, Vol. 18 No. 2)
- 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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Many thanks to
for the pictures
1, 2, 3, 4
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=2769
2769
28.09.2025