No clue what this is... ?

It is in a rock. Its clear and fans out like a feather duster. I dont know if its good or bad and if i should take it out. It looks cool though... lol

Thanks in advance.

 

i can hardly see it but i think they may be aiptasia? then again i've never really seen aiptasia before so im not exactly sure. I'd kill it anyway to be safe

 

It looks like an anemone. We will need a much clearer picture to help you with an ID.

 

Feather duster harmless filter feeder. Or my contacts need replacing, any chance of a better pic.

 

Here is a better pic...

 

Definitely look like a feather duster in the second pic.

 

i agree

 

very hard to say from the pic....it might be a club tipped anemone with a clear foot (ive seen em before even tho the foot is usually pinkish).....hmmm...could be a feather duster too...but too blurry to say

 

Most definitely a feather duster. I have several of this particular species in my tank. That's about as big as they will get.

 

+1 I've got a bunch on my rock they won't get any bigger then that but they do get pretty colorful I've got all kinds pink and white and such, I'd keep it IMO