Does this guy look healthy, first timer here

[Phishguy3.0]

i added this guy a couple days ago, it found a spot and took hold, every day it seems to open wider and spread it’s tenticals.

 

[saltyfilmfolks]

Yep. Looks happy.

 

[cracker]

nice !

 

[Phishguy3.0]

Can anyone tell me about this behavior? This anemone has been in the tank for about a week now and seem fine.