What are these prickly anemone looking things?

[Gabbydee233]

I noticed these growing in the tank recently. There are only two of them growing in the crevice of one of our live rocks. It's dark reddish, purple - looks spiney/creepy.



Is it what I hope it's not?

 

[Lionfish Lair]

They are Foraminiferans and are fine.

 

[Gabbydee233]

They are Foraminiferans and are fine.

Hooray!