How big does a red bellied pacu usually get?

Question

I have a Red Bellied Pacu in a 75 gallon tank and he is about a foot long right now, how big will he get and will I need to get a bigger tank?

Answer 1

The red bellied pacu, Colossoma brachypomum, grows up to 16 inches in length.  It will need a bigger tank of about 130 gallons.