60 gallan grazers

[nudibranch]

Does anyone have any recommendations for a grazing fish that would clean up my 60 gallon? I can not put in a lawn mower blenny though because I have a sand hopper perchlet that would probably harass it.

 

[CookieJar]

one-spot foxface. eats green hair algae for me and doesn't mess w/ blennies.