What Is This? Question

This appeared on the driftwood. I have zebra danios and cherry barbs. What is it?

 

What color are they, is it? Photos can be difficult to judge. Can you describe?

 

Looks like a fungus-type growth under the bark. Not the common kind we usually see, but I still don't think it's anything to worry about.

 

Small red "3D" dots

 

What type of wood is it.

 

I dont know