I am want to add some fish to my tank I have a 65 gallon 20gall sump, with zoos,mushrooms,zenia, frogsponge,hammer coral, cap, and a sps. I have a set of clowns, blue tang, and a flame angel. what can I add am looking a redhawkfish, manderian goby (june,july) the tank is 7months old. I want cool and interactive fish.