What is this?

Could someone tell me what this white thing might be. It came on my new shroom rock.

 

That would be Aptasia. A huge Aquarium pest that can multiply to out of control level. There are no redeeming qualities an should be removed.

Do a search for Aptasia and you will find hundreds of posts

J

 

The stony base tells me that it's not aiptasia but I'll be darned if I can remember the name of that animal.

 

Yep, it's has a calceraous skeleton. I remember that species, I think it's related with the Galaxea coral.

 

It looks like what I would call a "cup coral"
A bunch came in on my live rock several years ago. They are interesting


Jim

 

My thoughts to the T. They typically come in on Atlantic live rock.

 

Ok I looked at it again. Some one is going to have to convince me it's not aptasia. Any one have a pic of a different one

J

 

Well...usually Aiptasia is not clear like that. Also, this one has little white tips at the end of the tenticles... Could be another kind of anemone...but IMO its not Aiptasia. Check out this, http://images.google.com/imgres?img...?q=cup+coral&start=40&svnum=10&hl=en&lr=&sa=N

 

Well there you go. I'm convinced Thanks Bruce

J

 

i know thats not an aptasia i cant remember the name of them but i have some of them in my tank they never seemed to hurt anything ill have to look to see if i cant find the name again