What is this?

[mbachota]

I have seen this in my tank pop up recently and have no clue what it is. Please help
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[coolsurf]

Looks to be a ball anemone (Pseudocorynactis caribbeorum). If it is, they are harmless.

 

[jennm]

Pictures are too small - I can't see it.

Jenn

 

[mbachota]

yep that is what it is. Thanks