Anyone, what are these things?

[bllfish]

Can anyone ID these two things. They are growing under rock in shaded areas.

 

[DJ88©]

[moved]

 

[bllfish]

Thanks DJ88 - sorry for posting in the wrong forum

 

[theevoys]

Those are sponges. Harmless. the little yellow ones tend to spread kind of fast though. I have one rock that has a bunch of them growing on it.

 

[Johnsteph10]

Sponges

 

[bllfish]

Thank you theevoys. There are more of the yellow ons growing.

 

[bllfish]

Thanks Johnsteph10.