Spotted hawkfish in reef tank

I was wondering, how limiting is a spotted hawkfish going to be in the future ? As far as adding new fish and other things. I only have a 25 gallon so I can't get very large fish and I'm afraid he'll eat them. Is it possible he won't ? What fish could I get with him and what can't I. I've read liveaquarias page on him I'm curious to see what you guys say. I'm debating on taking him back.