nigri (lat.) = black, caudal = caudal fin
Synonyms
Microlepidogaster nigricauda
Otocinclus nigricauda
Otocinclus nigricauda
Length (total)
approx. 5 cm
Standard length (documented)
39.2 mm
Recommended tank size
60 cm
arroio Bebedouro Grande = arroio Banhado Grande, arroio do Brejo, rio Caí, rio Camaquã, arroio Chasqueiro = arroio Xasqueiro, arroio Grande, rio Guaíba, arroio Guará, unnamed creek to arroio Hilário, rio Jacuí, arroio Passo da Miséria, arroio Passo dos Carros, arroio Passo dos Ferreiros, arroio Piraí, arroio do Salso, arroio Santa Rita, unnamed creek to arroio Seival, arroio do Tigre, arroio Velhaco, rio Cacequi, arroio Caraí-Passo, rio Ibicuí, rio Inhacunda = arroio Inhacunda, rio Santa Maria, unnamed creek to rio Toropi, arroyo Batovi, arroyo Corrales, arroyo Cunapiru = arroyo Cuñapiru, arroyo Maestre de Campo, unnamed creek to río Negro, ➀ río Uruguay = rio Uruguai, río Cuay Grande = arroyo Cuay Grande, rio Touro Passo
Rio Grande do Sul, Corrientes, Rivera, Durazno
Argentina, Brazil, Uruguay
arroio Camaquã Chico ➙ rio Camaquã |
rio Gravataí | rio Vacacaí ⇒ rio Jacuí | arroio Araçá ⇒ rio Guaíba | laguna Merín ➙ canal São Gonçalo | lago Guaraxaim | arroio Velhaco ⇒ lagoa dos Patos ➙ Atlantic SE↓ rio Inhacunda ➙ rio Ibicuí ⇒ Rio Uruguai = río Uruguay ➙ río de la Plata
˜[ -30.488,-51.393 ]
Flow
small
Substrate
sand
On the riverbank
grasses
Nutrition (mostly): vegetarian
Eats plants
not known
Keeping in groups is necessary.
unknown
 
I / 5 rays
14 soft rays
slightly incised / concave, pointed
top and bottom approximately the same length
bright dots
II / 7 rays
5 soft rays
5 soft rays
14 soft rays
slightly incised / concave, pointed
top and bottom approximately the same length
bright dots
II / 7 rays
5 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
last seen on a
german stock list
german stock list
03/September/2015
- 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
- Boulenger, G.A., 1891 "An Account of the Siluroid Fishes obtained by Dr. H. von Ihering and Herr Sebastian Wolff in the Province Rio Grande do Sul, Brazil" (Proceedings of the Zoological Society of London, P. 234)
- Carvalho, T.P. & Reis, R.E., 2011 "Taxonomic review of Hisonotus Eigenmann & Eigenmann (Siluriformes: Loricariidae: Hypoptopomatinae) from the laguna dos Patos system, southern Brazil" (Neotropical Ichthyology, Vol. 9 No. 1)
- 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. 418)
- Nión, H.; Rios, C. & Meneses, P., 2016 "Peces del Uruguay - Lista sistemática y nombres comunes"
- Calegari, B.B.; Morlis, W.G. & Reis, R.E., 2017 "A new species of Otothyropsis (Siluriformes: Loricariidae) from the upper Río Paraná basin, Paraguay, with a discussion of the limits between Otothyropsis and Hisonotus" (Zootaxa, Vol. 4244, No. 2, P. 244)
- Dias, A.C.; Silva, G.S.C.; Oliveira, C. & Roxo, F.F., 2018 "A new species of Hisonotus (Siluriformes: Loricariidae) from Aripuanã river, Amazon basin, Brazil" (Zootaxa, Vol. 4504 No. 4, P. 515)
- Roxo, F.F.; Silva, G.S.C. & Melo, B.F., 2018 "Hisonotus devidei, a new species from the São Francisco basin, Brazil (Siluriformes: Loricariidae) " (Journal of Fish Biology)
- --- find more ---
Many thanks to
for the pictures
G. A. Boulenger (PD)
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=1227
1227