What are these white things growing on my rock?

[Jeremy Lain]

What are these white things growing on my rock?

 

[Rython]

Hah. That photo is a little blurry.

Just a guess based on the relative shape and how common they are, but google pineapple sponge and see if that's it.

 

[richiero]

For what I can make out from the pics they look like what the above member stated pineapple sponge

 

[Jeremy Lain]

Yes, that is it. Thank you.

 

[richiero]

[emoji1303]