Blooded Fins On My Molly

[mattshez]

Ill upload some pics now, sorry my camera is awful trying to take pictures of my fish close up, but it doesnt appear to be fin rot, no sign of damage to the fin or and wounds but the blood is patchy. all my other fish are fine

2 opaline gourami
3 more mollies
3 young silver sharks

Tank size: 200L
Tank inhabitants:

only waterchanged on friday

Am: 0
Ni: 0
Na: .25

http/img713.imageshack.us/i/img2577m.jpg/

its not at the bottom of the fin as the pic may suggest, its splatted in the middlish

 

[Tokis-Phoenix]

The fish has Septicemia, treat with an anti internal bacterial med .

 

[mattshez]

thanks for the quick reply, what could have caused the infection?

will waterlife myxazin work?

also, ive just finished a protozin treatment pre-waster change so im guessing that isnt effective against it