Underneath rock work

[ChamorroSD]

Hi,
I was hoping someone can help me identify the growth I found underneath my rock. It was in the underside of a cave structure.

Thanks

 

[jerrod]

Some type of sponge. No idea what type though.

 

[Fishy212]

Sponge

 

[ChamorroSD]

Cool ..I was hoping that’s what it was.
Thanks for lending me thoughts.