Is this a fungal infection?

[windcoast reefs]

Hey, I was wondering what this is on my clown fish's fin? Is it a fungal infection, or what? Also how would i treat it?

Thanks everyone


http://www.canreef.com/vbulletin/picture.php?albumid=567&pictureid=4740

[Leah]

Search up Brooklynella, really hard to tell from the photo though, but if it is you need to treat as soon as possible.