Mine eats everything you throw at him. Flake food, Frozen food, nori, grass from rocks, he even scrape the tank glass for pods. He has been in the tank for 4 months now. At the beginning he was a shy eater, now he sees the other fish and does not want to miss out on anything. I think he learned from the 6 line wrasse how to hunt for pods.
Interesting how he learnt from the six-line. I have a six-line as well and he is a bit of a crap disturber meaning he does not stand down from the school of green chromis. I noticed him trying to pull that off with the PBT and the PBT is one heck of an aggressive fish. He not only shows the six-line who's boss but chases him around for 10 minutes afterwards as though to show the six-line "you don't want to mess with me"
So far the school of chromis and the six-line are working well with the PBT asside from the odd time as mentioned where Mr. PBT has to remind everyone that he is the new king!