Please don't try to keep any anemone with Normal ouput lights, or lights that come with a kit aquarium.
At a minimum you need VHO or PC lights at about 4+ watts per gallon for the least light requiring anemone.
Anemones are 99% photosynthetic, or at least the zooxanthellae that live in them are, and they need it to survive, without it they die. some might say all you need to do is feed it more, thats incorrect in my opinion but can help to some extent, just not long term.
Thomas