They are omnivorous foragers and feed on insects, worms, crustaceans and fish. They are not a migratory species, but do travel to seek out conditions conducive to breeding and spawning during periods of increased rainfall. Red-bellied piranhas often travel in shoals as a predatory defense, but rarely exhibit group hunting behavior. Acoustic communication is common, and is sometimes exhibited along with aggressive behaviors. At this time, the red-bellied piranha is not considered to be a threatened species by the IUCN, and therefore, there are no conservation strategies in place to target this species. Through media influence, the red-bellied piranha has developed a reputation as a ferocious predator, though this is not actually the case. They are a popular aquarium fish.
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