Can a Pima live with Piranhas in aquarium?

If the pira.. r well feed. Otherwise, nothing can survive a long with them.

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Unless you have a huge tank I wouldn't even try. Young pima wouldn't have the same scale hardness as a adult but baby piranhas have teeth just as nasty as a adult. The young pima would get shredded or in a unlikely turn of events out grow the piranhas and eat them cause pima do eat piranhas in nature I believe

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Were going to talk about the tank size, diet and a lot more of in here, though the armor can stand the piranhas attack I'm quite sure it's eyes and gills can't.

Piranhas usually go for the tail, that may lead to nips on the tail part of the pima causing it stress and other wound infections in the long run. Well if you can ever house a arapaima in the first place, might as well have other monster catfish instead of piranhas.

Id guess piranha would have the advantage when young but as they both grow im pretty sure the pima would eat the piranha

They'd still nip everything including the silver dollars

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Piranha nip and squabble like all fish the only difference is their teeth do major damage when they do. They even attach each other often when young. Anything you put with them is at risk, but thats not to say it cant be done. I had great success with black skirt tetras and rbp

I think the Pima would be killed quickly, if it wasn't, it would be eating the RBP in several weeks with it's massive growth spurt