Megalonema xanthum
Eigenmann, 1912
Synonyms
barbudu
Perugia xanthus
Perugia xanthus
least concern
Length (total)
approx. 21 cm
Standard length (documented)
120.0 mm
Recommended tank size
120 cm
Eats plants
not known
unknown
long
(13 -) 14 (- 16) soft rays
7 + 8 soft rays
greatly incised / concave, pointed
little longer at the top than at the bottom
I / 7 rays
slightly concave
(12 -) 13 (- 14) soft rays
(13 -) 14 (- 16) soft rays
7 + 8 soft rays
greatly incised / concave, pointed
little longer at the top than at the bottom
I / 7 rays
slightly concave
(12 -) 13 (- 14) soft rays
not known
- Reis, R.E., Kullander, S.O. & Ferraris, C.J. et.al., 2003 "Check List of the Freshwater Fishes of South and Central America" P. 438
- Eigenmann, Carl H., 1913 "Some Results from An Ichthyological Reconnaissance of Colombia, South America" (Indiana University studies, Vol. 1, P. 16)
- Eigenmann, C.H., 1922 "The fishes of western South America. Part I. The fresh-water fishes of northwestern South America, including Colombia, Panama, and the Pacific slopes of Ecuador and Peru, together with an appendix upon the fishes of the Rio Meta in Colombia" (Memoirs of the Carnegie Museum, Vol. 9, P. 35)
- 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. 55)
- Ferraris, C.J. Jr. & Vari, R.P. , 1992 "Catalog of type specimens of recent fishes in the National Museum of Natural History, Smithsonian Institution" (Smithsonian Contributions to Zoology, No. 535, P. 34)
- Ferraris, C.J. jr., 2007 "Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types (II)" (Zootaxa, Vol. 1418, P. 335)
- Lundberg, J.G. & Ladhul, W.M., 2008 "Two new cis-Andean species of the South American catfish genus Megalonema allied to trans-Andean Megalonema xanthum, with description of a new subgenus (Siluriformes: Pimelodidae)" (Neotropical Ichthyology, Vol. 6 No. 3, P. 442)
- 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. 93)
- PCF
Many thanks to
for the pictures
Frank Alvarez (CC BY-NC 3.0)
1, 2, 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=1880