id plz ...

[sheldon]

got a new rock today , has this red stuff on it , just wondering what it was ? , doubt it still alive ....

its the red thing close to middle of pic , thxs

 

[coralreefer]

it may be a sponge of some kind

 

[iyachtuxivm]

I have some too. I think its a sponge.

 

[valgae]

forminerans. not sure about spelling.