need help with an id

[pcmc3]

hey everyone i bought some live rock and it had some stuff on it and i was wondering if anyone could tell me what it is
i need to know what the orange coral, is the little purple one, and the brown tube looking things on top of the rock

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[jimmystephens]

Orange coral is a sponge. The other one looks like xenia but closed up

 

[pcmc3]

okay 30 bucks good for the sponge?

 

[jimmystephens]

I think thats close. Atlanta aquarium was selling them awhile ago around that price. Dont let it hit air. It will die if u do

 

[pcmc3]

okay i wont it is good6 inches from the top

Edit: also soomeone called it a sun something at the petstore