the Amazon, They congregate in schools at the Rio
Madeira rapids every four to five years (Goulding
1981). These schools apparently originate in the Amazon
estuaries and migrate upstream as far as the Rio Solimoes.
it can sometimes be caught in the upper part up to
the foot of the Andean range where it appears to be
more rare than Brachyplatystoma
and but never in the zones prone to flood. Reproductive
migrations probably occur like in other Brachyplatystoma.
Usually caught with long lines and drift nets. Its
flesh of excellent quality is highly appreciated.
Resembles B. filamentosum, but B. vaillantii
has a larger adipose fin and does not grow as large
as the former.
Amazon and Orinoco River basins and major rivers of
the Guianas and northeastern Brazil.
140cm. (4ft 8ins)
1989 An atlas of freshwater and marine catfishes.
A preliminary survey of the Siluriformes. T.F.H. Publications,
Inc., Neptune City, New Jersey (USA). 784 p. Froese, R. and D. Pauly. Editors.
2009. FishBase. World Wide Web electronic publication.
www.fishbase.org, version (01/2011).