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Jenny

Sick goldfish

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I have had my four goldfish, 3 fancy and one comet for a few years now. In June I got a bigger tank (198L)  as my fish were getting bigger. I also had a bristle nose pleco and snails. Just after I got the new tank I got some more snails ( I now have 4), two borneo sucker fish and 5 harlequin rasboras. (The temperature of the tank is suitable for all). In the last 2-3 weeks my goldfish have started suddenly dying one at a time. One went from being really healthy and was suddenly swimming upside down briefly and then seemed dead. It was taken out of the tank and seemed to come back to life so was put back in. Then it seemed to get fin rot and slowly died. Then a week or so later another previously healthy fish started excreting white stuff and was lethargic. It then died. Now another is lethargic and its dorsal fin is floppy and my other goldfish is lying on its side at the bottom of the tank. I have done my weekly water changes and all parameters seem fine. Does anyone have any idea what could be happening please?

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:hi

and 

:welcome

Please copy & paste the following form and fill it out to the best of your ability when requesting help for Goldfish Problems:

 

Test Results for the Following:

 Ammonia Level(Tank)

 Nitrite Level(Tank)

 Nitrate level(Tank)

 Ammonia Level(Tap)

 Nitrite Level(Tap)

 Nitrate level(Tap)

 Ph Level, Tank (If possible, KH, GH and chloramines)

 Ph Level, Tap (If possible, KH, GH and chloramines)

Other Required Info:

 Brand of test-kit used and whether strips or drops?

 Water temperature?

 Tank size (how many gals.) and how long has it been running?

 What is the name and "size of the filter"(s)?

 How often do you change the water and how much?

 How many days ago was the last water change and how much did you change?

 How many fish in the tank and their size?

 What kind of water additives or conditioners?

 What do you feed your fish and how often?

 Any new fish added to the tank?

 Any medications added to the tank?

 List entire medication/treatment history for fish and tank.Please include salt, Prazi, PP, etc and the approximate time and duration of treatment.

 Any unusual findings on the fish such as "grains of salt," bloody streaks, frayed fins or fungus?

 Any unusual behavior like staying at the bottom, not eating, etc.?

"If copy and paste doesn't work for you, quote this post and put your answers after each question."

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