Yes! I once had a pacu for anout 10 yrs b4 it passed away..
ive got a 120 gallon aquarium to house him.. Its roughly 6.5 feet long 4 feet wide 4 feet deep, ive got a 75 gallon tank to house the oscar and JD and a 75 gallon tank for my BABYS.. The green terrors! I was cleaning the basement out and ran across my old tanks an was gonna sale them but i remembered how much i loved the hobby and how it kept my free time occupied sooo i decided to replace heaters, pumps, filters etc and got some stuff out of a few of my buddys well established tanks to help speed up the cycle process. I waited roughly 2 months b4 adding fish.. 2 months is enough time to finish the cycling process right? Been out the hobby a while!