Can folks help to ID this? The piece of rubble is usually covered by a mushroom coral that’s attached to it. Saw this weird white growth all over the edge of the piece of rubble rock.
Thanks reef2reefers
Thanks reef2reefers
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This. Though this species typically grows very fast (@ISpeakForTheSeas can confirm in my case) but as they mentioned it dosent harm anythingSponge- typically harmless filter feeders.