Help ID this star I found in my tank

[Jake1]

Found this guy today don't know if its bad or good. Have not seen any coral damage.

 

[_Alex_]

I have some in mine they like to eat polps from time to time


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[Jake1]

I have some in mine they like to eat polps from time to time


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Don't have many polps in the tank so that's good.

 

[Pappy]

Asterina star and they agitate coral and breed like crazy. Get um out!

 

[Chelle's Ocean]

Give them to someone you know who has Harlequin shrimp

 

[kschweer]

+1 asterina star. I would get it out before they breed and you can't keep up with them. I had one or two and thought they were cool when I first started reefing, I soon had literally 100's and lost a few high end zoas to them.