these 2 fish are going to end up being 30" and 24". You dont need a heard of monsterfish to have an interesting tank. Imo you should get rid of either the clown knife or the arowana and keep your favorite fish by himself in the 220. No aggression problems and plenty of space for the fish. Isn't that what you wanted?And come on man. How the heck would you need a 350 just for 2 fish?
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