Acestrorhynchus pantaneiro

Acestrorhynchus pantaneiro, known commonly as the pike characin, is a species of fish in the family Acestrorhynchidae. It was described by Naércio Aquino de Menezes in 1992. It inhabits the La Plata, Paraná, Paraguay, Uruguay, and Mamoré Rivers. It reaches a maximum total length of 35.2 cm, and a maximum weight of 396 g.

A. pantaneiro feeds on bony fish. It is harvested by commercial fisheries.