red-bellied piranha, famous wild species, popular and extremely dangerous ornamental fish with sharp teeths

active adult aggressive amazon america animal aqua aquaculture aquarium background big blackwater bloody blurred bright business careful clear commercial conditions controlled curious dangerous decorative dof ecology extremely famous fauna fish fishkeeping free freshwater greedy grey habitat hobby ichthyology instinct macro mysterious nattereri nature neotropical nervous ornamental parana piranha planted popular protection pygocentrus redbellied rivers shallow sharp solimoes south space species specimen swim tank teeths terrific threat trade understanding underwater water wild