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Neil D

Swim Bladder Disorder

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Hey all,

My three ryukin goldfish are doing great, but all of a sudden, one of them decided to show symptoms of SBD. He's active, but staying on the surface, unable to swim down. What should I do?

They're in a 40G, cycled tank.

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Hi sorry your fish is having floaty issues could you please fill out the form below :)


  • Test Results for the Following:
  • * Ammonia Level
  • * Nitrite Level
  • * Nitrate level
  • * 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 previous issues experienced (dropsy, SBD, etc.)
  • * 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.?

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    Test Results for the Following:
  • * Ammonia Level--0 ppm
  • * Nitrite Level--0 ppm
  • * Nitrate level--didn't check, I will as soon as possible
  • * Ph Level, Tank (If possible, KH, GH and chloramines) ph- 7.6
  • * Ph Level, Tap (If possible, KH, GH and chloramines)
    Other Required Info:
  • * Brand of test-kit used and whether strips or drops? API Master Liquid Test Kit
  • * Water temperature? 70* F
  • * Tank size (how many gals.) and how long has it been running? 38-40, about 2 mo.
  • * What is the name and "size of the filter"(s)? Marineland Penguin 350
  • * How often do you change the water and how much? ~25-40 % changes depending on time available
  • * How many days ago was the last water change and how much did you change? Today, about 50%

  • * How many fish in the tank and their size? 3, fit in the palm of your hand
  • * What kind of water additives or conditioners? Prime
  • * What do you feed your fish and how often? Every morning, about 3 API Sinking pellets each
  • * Any new fish added to the tank? no
  • * Any medications added to the tank? no
  • * List previous issues experienced (dropsy, SBD, etc.) no
  • * List entire medication/treatment history for fish and tank. Please include salt, Prazi, PP, etc and the approximate time and duration of treatment. none
  • * Any unusual findings on the fish such as "grains of salt," bloody streaks, frayed fins or fungus? nope
  • * Any unusual behavior like staying at the bottom, not eating, etc.? One of our ryukins seems to not be in perfect control of his swim bladder, when compared to the other two.

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Thank You!!! :D When dealing with a floaty fish, I have noticed a good balanced diet has helped a lot. You can try to fast them for a day or two then feed de shelled peas cooked in tank water,or green beans unsalted, or baby spinach. I noticed with my Castor who is a floaty fish I try to give him veggies as much as I can along with pro-gold.

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We really need to know the nitrates value, as that could be a cause.

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Will you also let us know the tap Ph and how often you change the water (you said 25-40% but did not indicate how often) :)

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Well, I'll test the pH and nitrates now. But the wc schedule is once a week at the above amount.

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Just an update. He seems ok now...a bit floaty, but not as much as yesterday. I skipped feeding today though.

The nitrate is less than 5ppm (which surprises me, because so is ammonia and nitrite). The pH of the tap is 7.7, give or take .1

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