Red terror loosing appetite

[Bobtastic6]

I have a 2.5" red terror that has recently lost his appetite and is no longer aggresive in terms of competing with the other fish for food. Any suggestions to spur his appetite again?

Sent from my SAMSUNG-SM-N900A using MonsterAquariaNetwork App

 

[labiatus55]

Is he being harassed?

 

[Sabidojr]

Tank size? Tank mates? Size of the fish?