By eating your nem, I think the angel answered the question. If it did that it proabbaly would not be safe with coral except maybe softies. Glad you're having success with both DA's btw.
I would much rather have a reef with a tang or two. You have a really nice FOWLR though so it's a tough call.
I would much rather have a reef with a tang or two. You have a really nice FOWLR though so it's a tough call.