Length (total)
approx. 25 cm
Standard length (documented)
206.0 mm
Recommended tank size
150 cm
Temperature
25 - 29 °C
pH
6.0 - 7.0
Potaro-Siparuni, Amazonas (VEN), Amazonas (BRA), Pará (BRA), Bolívar (VEN), Vichada
Brazil, Guyana, Colombia, Venezuela
río Ventuari → río Orinoco → Caribic ↓ Essequibo River | rio Negro → Amazonas ⇒ Atlantic NE ↓
[ 5.367,-59.013 ]
Substrate
sand, rocks
Nutrition (mostly): insect-eater
beetle (Coleoptera), ephemeroptera (Ephemeroptera), diptera (Diptera), insect larvaes, Trichoptera (Trichoptera)
Eats plants
not known
unknown
 
8 - 11 soft rays
15 soft rays
II / 6 rays
(7 -) 8 (- 9) soft rays
6 soft rays
15 soft rays
II / 6 rays
(7 -) 8 (- 9) soft rays
6 soft rays
Sympatric with
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. 463
- Eigenmann, C.H., 1912 "The Freshwater Fishes of British Guiana, including a Study of the ecological Grouping of Species, and the Relation of the Fauna of the Plateau to that of the Lowlands" (Memoirs of the Carnegie Museum, Vol. 5, P. 195)
- Eigenmann, C.H., 1910 "Catalogue of the fresh-water fishes of tropical and south temperate America" (Indiana University, P. 394)
- Ibarra, M. & Stewart, D.J., 1987 "Catalogue of type specimens of recent fishes in Field Museum of Natural History" (Field Museum of Natural History, Vol. 35, P. 44)
- Galvis, G.; Mojica, J.I.; Doque, S.R.; Castellanos, C.; Sánchez-Duarte, P.; Arce, M.; Gutiérrez, Á.; Jiménez, L.F.; Santos, M.; Vejarano, S.; Arbeláez, F.; Prieto, E. & Leiva,, 2006 "Peces del medio Amazonas - Región de Leticia" (Conservación Internacional, P. 249)
- Ferraris, C.J. jr., 2007 "Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types (I)" (Zootaxa, Vol. 1418, P. 174)
- Sabaj Pérez, M.H., Arce, M.H.; Sousa, L.M. & Birindelli, J.L.O., 2014 "Nemadoras cristinae, new species of thorny catfish (Siluriformes: Doradidae) with redescriptions of its congeners" (Proceedings of the Academy of Natural Sciences of Philadelphia, Vol. 163, P. 133)
- Birindelli, José L.O., 2014 "Phylogenetic relationships of the South American Doradoidea (Ostariophysi: Siluriformes)" (Neotropical Ichthyology, Vol. 12 No. 3, P. 451)
- DoNascimiento, C.; Herrera-Callazos, E.E.; Herrera-R., G.A.; Ortega-Lara, A.; Villa-Navarro, F.A.; Oviedo, J.S.U. & Maldonado-Ocampo, J.A., 2017 "Checklist of the freshwater fishes of Colombia: a Darwin Core alternative to the updating problem" (ZooKeys, Vol. 708, P. 89)
- PCF
Many thanks to
for the pictures
José Birindelli (CC BY-NC 3.0)
1, 2
Eigenmann, Carl H. (PD)
3
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=1687
1687