The Acnodon oligacanthus lives in the benthopelagic, potamodromous, freshwater environment.
Acnodon oligacanthus Eigenmann (Pisces, Serrasalmidae) of French Guiana Answers to the puzzling distribution of Africanized bees in the United States: why are those bees not moving east of Texas? Ant (Hymenoptera: Formicidae) diversity in Eucalyptus (Myrtaceae) plantations and cerrado litter in More