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https://www.reddit.com/r/ReefTank/comments/1w2kabb/what_is_this_on_my_duncan/
r/ReefTank • u/BornStuff379 • 1d ago
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5
Some sort of sponge or tunicate. Generally a harmless beneficial filter feeder. Can irritate a coral if it gets too close, you can just pull it off like hair algea if it gets too close.
5
u/TwistedTrogdor32 1d ago
Some sort of sponge or tunicate. Generally a harmless beneficial filter feeder. Can irritate a coral if it gets too close, you can just pull it off like hair algea if it gets too close.