ok so awhile back i found this pic of blue xenia and fell in love with it. but befor i go out buying a frag or anything thout id make sure to know what im looking for. if you can help thank you very much.

it only looks like that in flash photos

+1 on flash, and you also see a little bit of that effect by viewing it from the water's surface and not through the glass. A lot of places call it cespitularia instead of blue xenia too.

Mine looks just like your pic when taken with a flash but here it is normally:

To adin & cptbjorn thank you for the quick responce. To the mods I am sorry for having posted this in the forum. Was simple thinkin a question about corals should go in the corals forum.

+1 - shimmer is seen by flash. Here's a shot of my old colony of cepistularia :

I think it looks really nice either way though, even without the flash it's nice and blue

You would, I bought it from you But, agreed, it's my favorite Xenia.