Hello everyone. On Dec 13, I got two banghi cardinals, a pair of clowns and a tomini tang. The larger banghi has been picking on the smaller one. The big one chases the smaller one around and eventually the small one hides in the corner. So I put the smaller one in an isolation box for on the 14th. Today I let the small one out to see what will happen. The big one started attacking as soon as the small one was out of the box. What should I do????