I have had one now for about two weeks in my reef tank and he doesn't eat any of my aiptasia but has a liking for xenia which is fine with me as I have way too much.

saw Mattilda eating an aiptasia tentacle yesterday ( oh happy day!!!) also saw her eating mysis or trying. i think mines a girl as i read males hide more when first introduced and mine only hid for an hour. shes all over the
tank like a mandarin. neat fish
:angel:

It didnt look like mine ate any Apitasia for the fist month... now I do not see a single apitasia in the tank! Patience is required

I find they usually take 2-3 weeks before you notice any aiptasia missing.

Damn.

Found mine dead this afternoon. Got it Mar30 so don't think how I acclimatized (cupful not drip), didn't see eating aiptasia but was picking off the rock and didn't look thin, no one was hassling him.

Any ideas before I go looking for another?

Possibly caught with cyanide? Have had fish before that did great for a few weeks then boom gone even hardier fish.