the river Pilcomayo upstream from  puente Diabalo
Surubí, predatory fish in the river Pilcomayo that feeds mainly on Sábalo
nightview near Villa Montes on the Pilcomayo river at the foot of the Andes
tradicional Weenayek fishermen
fieldwork in theTampinta river (a tribute to the Pilcomayo)
Los Amigos del Pilcomayo
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Pygocentrus nattereri
In co-operation with department of Aquatic Ecology & Environmental Biology.
Fishes of the Pilcomayo
Common name: Piraña
link to fishbase on Pygocentrus nattereri
Class:                 Actinopterygii (ray-finned fishes)   
Order:               Characiformes  (characins)
Family:              Characidae
Ecology:   carnivorous
Max. Size:    25 cm
Species