Anyone know what this is called came on my rock awhile go growing nicely

[nightmarepl]

Any one know what this is got it on my rock awhile ago a tiny polyp now it’s growing

 

[nightmarepl]

 

[James M]

Palythoa

 

[James M]

Palythoa
Edit: double post on accident

 

[Justfebreezeit]

What above said, they can take over a tank when they really get going. Might want to consider putting him on an island unless you are in love when his look.

 

[nightmarepl]

What above said, they can take over a tank when they really get going. Might want to consider putting him on an island unless you are in love when his look.

Once he starts getting reckless I’ll island the rock thanks for the info!