Hey sorry to butt into your thread, but I am having the exact same problem wit my 2 perculas. I have had one for about 6 months and he is only about 1in long. The new one is about 1cm bigger than him and they keep fighting. The old clown is in his BTA and the new one is trying to get into it too but the old clown wont let him. Im worried that they will hurt themselves!
Advice needed!
-texx
ps-dapettit I dont mean to hijack your thread! Sry!