My old frogfish... I'm thinking of another one, but I have an octopus in the 29 now.. This should be the ONLY fish in the tank unless you don't mind it being food. Frogfish can eat anything the size they are..
http://www.austinreefclub.com/topic/22427-what-to-put-in-my-new-tank-picture-update-feeding-video/
http://www.austinreefclub.com/topic/22701-frogfish-eating-iqf-silverside/