If I remember correctly, that was also a good one to feed them. One of the sites said any meaty substance that was of the ocean.
I also think your anemone looks healthy, (I am assuming that picture on your replies is of your anemone and clown?) Looks like good color and like everyone else has stated the yuk coming out is exactly that, "poop"
, or the parts of the food it does not want or need.
