Need help ID'ing these

[lewk]

Got this LR recently, have had it cooking for a week or two now. It's got these little guys all over the rock. The pics show them all closed up, but I noticed a few of them open yesterday and they look like little anemones, but I'm not sure what they are exactly. Any thoughts?

 

[noahm]

Get some pics in the tank open. They aren't going to jump off overnight. Looks like some kind of nem maybe. Ball, mini carpet, majano? need open pics.

 

[down and outman]

Probably easier to tell if they were under water. Look cool.

 

[returnofsid]

Harmless sponges.

 

[lewk]

Harmless sponges.

Sweet! One of my favorite words in this hobby "harmless". Thanks for the input everyone.

 

[iamwrasseman]

yea they do look like sponges to me too