What fish can live with a pixie hawk and kill my horseshoe crab?

[pjbusby]

I would like somthing that is pretty.... I was thinking of a puffer.
suggestions anyone?
30g
blood red fire shrimp
bahama star
horseshoe crab
large hermit
pixie hawk

if need be I can move the reef-safe stuff to my reeftank.

 

[pjbusby]

should say not kill my horseshoe crab, by the way

 

[pjbusby]

also should say dwarf hawk fish....

 

[Rendos]

Puffer will most likely eat the shrimp, and hermits.

 

[pjbusby]

shrimp ca be moved to my reef, actually I am goina move it after I get rid of a large mithrax crab that I have had for about 2 yrs it now looks like a big hairy spider.