Yellow tang acting weird

[Bosnianblood69]

So i bought a yellow tang 3 days ago and heys been acting weird staying in 1 corner and then today he started to come out so i was glad i come into my room and hes laying in his side but breathing so i give him a push and he starts swimming hos stomach is tiny and he wont eat tryed spirilina flake and frozen cube seaweed on a clip and now trying brine shrimp and he wont eat? And my blue tang is just staying in the same spot since yesterday too top corner of tank please help

 

[Flaxon-Waxon]

How big is the tank, how big are the fish, and what are your water parameters?

 

[bavass]

If the tank is less than 6ft he is stressing and will likely in up with ich

 

[Bosnianblood69]

I had him in my qt tank which is a 10 gallon and now i moved him to my display which is a 110