Oct 30, 2023 #1 T timqmana New Member View Badges Joined Oct 30, 2023 Messages 2 Reaction score 0 Location California Rating - 0% 0 0 0 I picked up some live rock (marco rocks that have been sitting in someone's sump for awhile) and was curious what these little white things on the rocks are. They are hard/shell-like and encrusted on the rock.
I picked up some live rock (marco rocks that have been sitting in someone's sump for awhile) and was curious what these little white things on the rocks are. They are hard/shell-like and encrusted on the rock.
Oct 31, 2023 #2 ISpeakForTheSeas 5000 Club Member View Badges Excellence Award Joined Nov 22, 2021 Messages 6,302 Reaction score 7,608 Location United States Rating - 0% 0 0 0 Welcome to Reef2Reef! Those are Spirorbid Worm (or at least their shells) - they're harmless filter feeders.
Welcome to Reef2Reef! Those are Spirorbid Worm (or at least their shells) - they're harmless filter feeders.
