Sunshine Chromis

So my 60 gallon tank has had two clownfish, One yellow tail blue damselfish and recently added a sunshine chromis ,and he seems to be attacking the other fish! WHY??? He keeps going near the clownfish anemone which is a rainbow tip anemone! i don't know why! Any info?
 
if you watch any videos chromis are actually really dumb and like to hover around anemones, damsel and chromis are also in the same family and have a same bodytye and size so they might have some beef. damsels are also pretty aggresive. hope this helps!
 
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