I have 2 maroon clowns. 1 is small and dark. The other little bigger and lighter. the bigger likes to nip at the smaller one a lot. The smaller come back some time to nip but then begins to kinda shiver. The small one is maybe 1-1 1/2 inches the bigger maybe 2 inches. Should I separate or let them work it out. i have had the smaller for 1 week, the bigger for 3 days.