Not sure what type of algae this is

[Aquarimax]

I have had this type of algae (the lighter tuft sitting on top of the normal macroalgae) for many years, alongside the macroalgae from Petshrimp. I don’t think it is the hair algae that can trap shrimp, as I have never seen that issue, and the shrimp have flourished and bred plentifully in the tanks it is in.

Have you ever seen algae of this type? I believe it came along with some shrimp I purchased from an individual something like a dozen years ago.