I have 8 harlequin rasboras and they are almost always schooling. They stay more towards the top of the tank.
Most schooling fish will only school if there is a threat in the tank. I think mine school because i have angelfish. If they feel secure they won't school.
Most schooling fish will only school if there is a threat in the tank. I think mine school because i have angelfish. If they feel secure they won't school.