So my 60g is like 3-4 months old And I need to get rid of my 20g. There is a yt damselfish that is like 2-3 inches not aggressive but I have baby chromis in my 60g. And then there are 2 black ice clowns wich are very peaceful but hate small fish but never seen the damselfish fight a fish. Any tips Wich should I take first so I can have my chromis grow a little