wah u are 'spoiling' ya Anthias with so much good food lah...try to cut down to once a day. Perhaps you can juz sprinkle some Cyclopeeze in the morning to kick-start their day...
Then you can try to keep 1 or 2 clams to see how they fare.
wah...mine was doing very well until it sort of 'melted away' ...& become 'nua' ...& disintegrated.
Fortunately, nothing bad happened to my tank...phew!
That's sorryful experience shall be the last time that I keep anemones...