sick seprae tetra with bulging eye

[jl8013]

Today, I just noticed that one of my seprae tetra got one bulging eye. This fish has been swimming by itself for a few days now. I had total of six tetras in a 29gal tank. I'm going to change the water tomorrow. Is there anything I do for my sick tetra? I also noticed that the tip of its top fin is white, and it always swimming at the top half of the tank, while other fishes are swimming on the bottom.

 

[IMCL85]

isn't that pop eye? looks like it to me. and also the white stuff on its fin could be either fin rot or fungus you might want to give it a closer look. and host a picture a little bigger on the side cause I cant see the top fin from both of ur picture

 

[The-Wolf]

sounds like popeye to me, which is a symptom and not a disease.
treatment is with primafix of melafix. however you should find out what disease is causeing the popeye, and treat accordingly.

 

[freddyk]

Serpaes are supposed to have white trim on the fins, make sure it's not just part of the markings.