red-bellied piranha, healthy adult of wild fish species with sharp teeths and shinig scales from amazon river basin in nature aqua

active aggressive america animal anubias aqua aquaculture big bloody blur bright business careful clear commercial conditions controlled curious danger decorative dof ecology fauna fish fishkeeping free freshwater greedy grey habitat hobby ichthyology instinct macro mysterious nattereri nature neotropical nervous ornamental parana protection pygocentrus schooling shallow solimoes south space specimen swim tank terrific threat trade understanding underwater water