This species is engaged in large-scale seasonal migrations in the Rio Mogi Guassu (= Mogi-Guaçu), a tributary of the upper Rio Paraná. Forty to 50-day old juveniles were reported to be zooplanktivores and the larger individuals were detrivores .
Physical description for Cyphocharax Naegelii is currently being compiled.
Behavioural data for Cyphocharax Naegelii is currently being reviewed.
Freshwater; benthopelagic; potamodromous . Tropical South America: Upper Paraná River basin in Brazil.
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