| Biology |
Occurs in
estuarine zones, mainly upstream of the first rapids up to
the basin's headwaters. Nocturnal species which lives in the
main bed of slow or fast zones, as well as in the flooded
forests, particularly the juveniles., Opportunistic,
piscivorous fish which may feed on crabs and shrimps. At the
end of the dry season, they can migrate at the same time as
their prey, then return at the end of the rainy season. Most
important catfish in gill-net fisheries of Guaporé and
Marmoré rivers. |
