i have three differant tanks one 55g one 50g and the other 20g all with SA cichlids, i want to get one big enough tank for all the fish i have. these are my fish 1 pike 7in, 1 jaguar 7in, 1 jack demsy 3in, 1 jewel 3in, 1 black belt 5in, 2 male convicts 3in, 2 female convits 2in, 1 oscar 8in, what should i get