Help with long nose butterfly please

[Mattyg8767]

Woke up this morning to find my long nose hiding behind the rocks and acting very lethargic.

could this be food related? He’s being fed frozen brine shrimp and frozen marine feast with a bag of copeopods once a week.

Other fish in the tank are two ocellated and a dotty

 

[Mattyg8767]

Here’s the fish