anemone sick help

I got a carpet anemone for my nano tank a month back, for the first two weeks he was good eating shrimps which I gave twice a week. He also started hosting sebae clowns which I added later on, after few days of new fish introduction my anemone stopped eating totally. It's been more than a week...

hey people Just had a tank upgrade and went from a 135L to a 195L I have a anemone and it looks like it's being sick any ideas what could have caused this ? All levels are fine so really not it's not eating to could it be stress ? Any ideas would be great Thanks