Need some advice with a reef tank

The fish i already own and want to add to this reef tank are ocelariis pair, yellow tang , 2 baby blue tangs, flame hawk, coral beauty,diamond goby and a valentini puffer..... I understand the puffer could become a problem but he has lived with many inverts over the years such as clams, anemone shrimp, hermits. The only thiing he has eaten was a mantis shrimp lol i call him the mantis hunter. so with his track record do you think i could incorporate him?
Regarding anemone shrimp are the actually good for an anemone or a pest?
 
awesome mate, i undertsnd the blue tangs get real big real fast buti rescued them from certain death at a lfs. They were painfully thin that you could see there inards and bones plus they had white spot.
 
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