ID please

[zenan81]

White little thing with tentacles on my glass

 

[duberii]

Looks like a small aiptasia anemone- reefer’s nightmare. Get it out of the tank and closely monitor your rock for any new anemones

 

[Pistondog]

+ 1 for aptasia, controllable a few ways.

 

[zenan81]

There is no aptasias in the tank I’ve been seeing those for quite some times

 

[vetteguy53081]

My first thought and often confused is a hydroid. There are over 800 types

 

[yongwooi]

Looks like aiptasia to me.