Is this Coralline Algae

[Unstoppable2895]

 

[Crustaceon]

I would say yes. It looks like you’ve got some fuzz going on too (really common for new rocks) but coralline will often grow under it and will eventually displace in on the rock.

 

[Unstoppable2895]

I would say yes. It looks like you’ve got some fuzz going on too (really common for new rocks) but coralline will often grow under it and will eventually displace in on the rock.

Thanks