Synonyms
Pirillo (PER)
Length (total)
approx. 4 cm
Standard length (documented)
30.6 mm
Recommended tank size
60 cm
Loreto, Mato Grosso, Amazonas (BRA), Rondônia
Brazil, Peru
río Galera → río Guaporé → río Mamoré → rio Madeira | rio Ronuro → rio Xingu | lago Amanã → igarapé Centro Grande → lago Urini → furo Castanho → Paraná Tambaquí → Paraná Copeá | rio Uatumã | rio Preto → rio Negro ⇒ Amazonas → Atlantic NE
˜[ -3.322,-71.868 ]
Locality
under vegetation, under foliage
Type of water
White water
Substrate
sand
In water
Polygonaceae, Makrophyten
Eats plants
not known
unknown
 
present or absent (both possible)
(12 -) 16 (- 18) soft rays
(8 -) 12 soft rays
slightly convex
I / (4 -) 5 rays
straight
(2 -) 4 (- 5) soft rays
(8 -) 7 soft rays
(12 -) 16 (- 18) soft rays
(8 -) 12 soft rays
slightly convex
I / (4 -) 5 rays
straight
(2 -) 4 (- 5) soft rays
(8 -) 7 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
- Reis, R.E., Kullander, S.O. & Ferraris, C.J. et.al., 2003 "Check List of the Freshwater Fishes of South and Central America" P. 464
- Katzschmann, A. & Behr, N.: "Ganz schön stachelig!"
(Amazonas Januar / Februar 2023)
- Cope, E.D., 1871 "On the Fishes of the Ambyiacu River" (Proceedings of Natural Sciences of Philadelphia, Vol. 23, P. 273)
- Eigenmann, C.H., 1925 "A review of the Doradidae, a family of South American Nematognathi, or catfishes" (Transactions of the American Philosophical Society (New Series), Vol. 22 No. 5, P. 331)
- Sousa, L.M. & Rapp Py-Daniel, L.H. , 2005 "Description of two new species of Physopyxis and redescription of P. lyra (Siluriformes: Doradidae)" (Neotropical Ichthyology, Vol. 3 No. 4, P. 625)
- 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. 253)
- Ferraris, C.J. jr., 2007 "Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types (I)" (Zootaxa, Vol. 1418, P. 176)
- Barriga, R., 2011 "Lista de peces de agua dulce e intermareales del Ecuador" (Revista Politécnica, Vol. 30 No. 3, P. 115)
- 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. 88)
- --- find more ---
Many thanks to
for the pictures
Leandro Sousa (CC BY-NC 3.0)
1, 2, 3
Cope (1871) (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=1672
1672