with all those? min i'd say 200g..
don't take only my advise though.. you have a lot of aggression packed in a tank there.
mainly JD and GT.
possibly a clown knife, i'm not sure how the other fish would handle, but i saw a clown knife with a red devil (i think), an oscar, jd (half dead), and black leopard eel in a 130 at the lfs... the fish i think was a red devil was a mean fish too, he was killin everything.