NO, Definatly not. Dwarf Puffers are as lucasluke states, they are aggressive and it is advised to have an exclusive set up with them. Sorry mate but please don't put this in there. The Usual requirement is 10l/2.5 Gal per puffer
See Here for thread on this
http/www.fishforums.net/index.php?/topic/271422-dwarf-puffer-in-a-community-tank/page__p__3136295__hl__%2Bpuffer+%2Bfish__fromsearch__1#entry3136295