anemones in bad shape , help!

[shing]

Ive had a giant anemone for about 6 months now and was allways full and colorfull and the last week he is all shrunk and looks quite pittifull. Not sure what could be wrong with him , Seems to still feed on shrimp
but really looks sick . Water is balanced , temp is 80 . I have a peal coral and a carpet anemone and they are doing really well . Anyone else have any problems with giant anemones ?

[moggyhill]

what are you tank parameters, numbers please. Water changes? New additions? When did you change your lights last? changes in water movement?

[shing]

http://reefcentral.com/gallery/showp...p?photo=109471
here is a picture of the anemone . parameters are all in range.
could it be what it's being fed , shrimp and brine or there a lack of