Right now they are in a 55 gal by them self and the largest..which is also the best looking..will get picture later....he is in a 75 gal by him self.. want to do something different with him at least.. want to get a 125 and maybe add a different kind of about equal size..any suggestions on what kind would go with him..i was hoping i could put them all together in a 125 but everything i have read said to keep them single...he is about 8 inches ..oh and the small one {baby} is in with the pacu in a 220 gal.