Noticed a “cloudy” looking patch on my Oranda Goldfish’s tail.?
And the fin seems to be getting a little curled in that area now as well. Any ideas on what this may be?
The tank had be treated for ick/ich last week, Both fish that had ich died, but the remaining one never caught it. And just noticed the cloudy spot today.
The tank is going though the “High Nitrite” phase of cycling, but according to my water test strips it’s not at dangerous/stressfull levels yet. Trying to hold back on so many water changes, during the “ick week” I was doing them daily. once the other two fish passed i stopped the ick treatment since this fish never had any spots of it, i did leave the salt in the tank thought to make sure the little parasites die off. (about 1 tablespoon per 10 gallons, had more during treatment)
I have 3 filters on the 37 gallon tank he is in, a Emperor 280 with a “Imagine” three stage filter cartridge, a Penguin 125, and a internal sponge filter. The bubble wall i installed during the ick treatment is still in there as well for more surface action. (and it looks neat 
The fish is showing no signs of stress, but he never did during the week of ick treatment either (tough bugger)
I just bought him a tank mate today to replace one of the ones i lost, but then noticed the spot on his tail fin once i got home (was gone most of the day). I had already set up a 20 gallon quarantine tank to keep all future new comers in for a couple weeks, so i have time to fix the cloudy spot, but I wanna get on it before it turns into a mess.
The scales on each side of his belly look a bit dull as well in a small little patch.
The salt bath i gave him seems to have helped, The cloudy spot is still there (fins are usually clearish white) but hasn’t grown and his scales look better.
Here is a pic of him being shocked that i took his pic.
http://i804.photobucket.com/albums/yy325/CD74/fish1.jpg
If you zoom in you can slightly see the cloudy tint to the bottom corner of his tailfin.
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Get aquarium salt and put the amount it tells you into the water, let it settle then put the fish in, your fish most likely does have ick and ever sense I started using the salt I haven’t gotten it. So whenever you clean the tank put salt in it. sorry to say your fish probably does have ick though.
if it looks like a patch of white cottony stuff. It’s most likely fungus. Treat with pimifix.
I’ve found that aquarium salt works best with goldfish. The ich treatment probably weakened your fish, and he has either a fungal or bacterial infection. Follow the instructions for goldfish on the carton. I don’t think goldfish would like the salt there permanently, though.
DO NOT use any medocation unless you are 100% sure that what is the cause !! For goldfish I recommend do the salt-dip treatment every day. Using the wrong medication would make it worst since
you have to take out the chemical filter which mean in that time your water would have a high chance to get bad. In addtion, with the gold fish it would get worst since they are a lot messy than another.
PS the early you notice what is wrong with your fish and do the salt-dip treatment, the easy you can cure the cause.
Rule number One should be: when you have fish problems, first, do a water change. In other words, vacuum your gravel. Most problems begin with a build up of waste products, usually along the bottom. When you remove waste products, you will allow the fish to breathe easier. I would change 25% at a time.
When you use any medication, remove the carbon from your filters, since carbon absorbs the medicine.
Salt is very good for goldfish, it helps goldfish secrete slime.
Good luck.