Can I still save this fish?

[superg]

tiger barb
He swam nose down for a long time, and it's getting worst.
I feed him the peas, and melafix

water condition very good (other fishes fine)

please help!

 

[GaryE]

The fish is badly wounded from fighting with a tankmate, or getting crushed. It won't be long before the other fish finish him off - there is already a bite on one fin. I doubt he can come back, but he has a miniscule chance in a protected space.