 "P. bibroni" prefers lowland rivers and estuaries, but adjusts well to the saline environments of deltas and large estuaries.The diet of "P. bibroni" is primarily carnivorous, consuming mostly fish, crabs, mollusks, and occasionally some vegetation.Its hunting strategy is not overly aggressive, but primarily being an ambush predator, it spends most of its time at the bottom of its chosen river bed, waiting for prey to wander by.