need helo how to stop bullying

[newbytomarines]

Hi I got a new marine tank and after 6months I got my fish, I am not good with the names so I have attached a photo, dot (black fish with white spot) I got a week ago, is bullying my new fish I got today which is twice her size, what can I do to stop it or will they be alright tonorrow as my new fish is only in today? I am loving my new hobby,
Thank you for ur gelo in advance, a few other pics to, I cant get a good pic of my new fish as he is hiding

 

[Lobstercrazy]

"Spot" is a domino damsel an damsels are extremely territorial and aggressive. If they feel invaded they attack and stress out the other fish or kill it. I couldn't identify the other one but I it's another damsel that might be a reason.

 

[newbytomarines]

He seems happier today but gonna keep an eye on him