just remember that growing out fish to adulthood as some of on here try to do takes dedication and tons of patience and money. I have 2 350 gal cattle troughs right now, a 90 gal, 75 gal, 45 gal, 30 gal, and 2 ten gals, and a 30 gal hospital pond/ turtle tank. My tsn are 21", 20", and 13". I have a 37" tsn x rtc hybrid also. I've raised all my tsn from 2" to their current sizes. The biggest is about 14 months old. I've kept them with oscars, D. sexafasciatus, plecos, channel catfish, rtc, and jag cichlids currently. My smallest is with 2 limas, a bullhead, pleco, and a marble x rtc hybrid. They are all roughly the same size. Just make sure all fish are similar in size and thickness and you'll be fine for the most part.