Help ID please

coral49

New member
This slimey fleshy green mass is taking over live rock. It's about 4 in by 3 inch. It's not growing very fast but it is growing. I'm not very fond of it, what is it and how can I remove it?

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It doesn't look like Dinoflagelates to me, it might be a Cyano. Cyanos are fragile and will siphon out. Otherwise I don't recognize it as any algae I've seen. Are you sure it's not a sponge?
 
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