interesting, my potters hasn't touched any coral either. He did however pester a clam to the point that I gave it away before it killed it.
Only genicanthus angels are considered reef safe, everything else is a gamble.
I wouldn't go that far -- I have read a few posts about even then going after corals.
Same here nothing, tried a few different things and nothing.got a pic of the vampire angel, google came up with nothing.