can any one tell me what this is

[whitebird]

we setup our new 75gal and founf this on the rock any one know what they are
there is a large mushroom looking one but is a tube shape and below it is a what?

 

[fishtanknewbie]

Looks like a brown button polyp! :thinking:

 

[whitebird]

would that be the small one below the larger one the large one is about 1/4" round and about 1/2 to 3/4" tall