Anyone know what this is??

[ReefNo0ob]

Hey reefers i noticed this little white thing growing on my liverock next to my zoas a few days ago i have no idea what it is anyone have a guess??

 

[Garrett W.]

Pineapple Sponge. its completely harmless

 

[saltyfilmfolks]

Pineapple Sponge. its completely harmless

yes. yes it is.

 

[reeftanker17]

+1 pineapple sponge..... I had someone od this for me awhile back.... something new in the tank....awesome!!

 

[ReefNo0ob]

Pineapple Sponge. its completely harmless

Oh cool! How big will it get?

 

[Maritimer]

These guys stay pretty small ... yours is already as big as most I've seen.

~Bruce