Originally posted by: Gerbil333
Originally posted by: dabuddha
I just noticed this little pimple like thing growing on the side of one of my fish. Does anyone know what it could be? Anything I can do about it? My wife does not want Sleepy to die (even though secretly I've always hated him!

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That would be ich. My girlfriend knows lots about fish, and she verified this...she says you'd better treat it fast, because that breed of fish will die very quickly.
Every fish in our entire 55 gallon salt water tank had ich for a while (ich occurs in both fresh and salt water tanks). It was a long battle, but we conquered the ich. However, it got one of our fish. Our clowns, tang, and everything else survived
You need to get some anti-ich medicine, and then use Melafix afterwards (available at Wal-Mart). It can take weeks to fix.
Try cleaning out the tank really well (with bleach, but RINSE WELL afterwards) and putting some of that fish medicine in a bottle you get at a pet store.
Why would you want to do that? That would ruin the habitat. It's not nearly as important in fresh water aquariums as it is in salt water setups, but there are some very important bacteria in the tanks that break down ammonia, nitrites, and nitrates. It's all natural, but takes much time to establish. If you clean a tank, it must re-cycle in order to re-establish the bacteria cycle. This puts a lot of stress on the fish even thought the tank sometimes
looks better. High ammonia/nitrite/nitrate levels can kill your fish, and it's almost impossible for a cycling tank to not experience that. Anyway, I wouldn't advise "cleaning" the tank. Ich lives on the fish, and cleaning the tank wouldn't make the ich leave the fish's body. Treat the tank with meds...