i have a 150 rr and would like to add a dragon wrasse. i tryed a 3' but my 3' striped grouper inhaled him. i would like to try a bigger one heres whats in my tank. yellow tang,sailfin tank,greenbird wrasse(8'),striped grouper,spoted grouper,panter grouper,greenwolf eel,2 lions,a toad fish,blue...