My 10g saltwater tank has been up and running for a little under a year now. Started off with live rock and sand then added 2 clowns, a yellow gobby, and a full clean up crew. Recently I noticed this strange tentacle stringy coral-looking thing growing off of one of my live rocks. I don't know exactly what it is. It started growing oit of nowhere. Is this thing harmful to my tank? Or should I let it be?
HELP! Don't know what this coral-looking thing is
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My 10g saltwater tank has been up and running for a little under a year now. Started off with live rock and sand then added 2 clowns, a yellow gobby, and a full clean up crew. Recently I noticed this strange tentacle stringy coral-looking thing growing off of one of my live rocks. I don't know exactly what it is. It started growing oit of nowhere. Is this thing harmful to my tank? Or should I let it be?
Aiptasia. They can spread and sting coral, don't want them so look for ways to kill them.
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