What is growing in my tank? Pics added

[tim the toolman]

Originally Posted by Titus99

I have them Also. Copperband does nip at them
Keeping in check.

Here's a good read on them. Basically you have to manually remove them

http://reefkeeping.com/issues/2005-01/rs/index.php

Yeah I read this and I also found some other info saying that Halloween hermits may eat them as well as peppermint shrimp? Anyone that can back this up?
Also if I was to buy a copper band should I worry much about my yellow tang fightin with it?