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The fish has a fatal, untreatable disease called dropsey and should be euthanased. This problem is usually caused by very poor water conditions. ie polution due to insufficient water changes or poor filtration or both. To avoid this kind of thing happening you need to do at least 50% water change weekly as well as having a properly cycled filter operating in the aquarium. I hope you are also sticking to the basic rule of 1 inch of fish needs 1 gallon of water. If you are overstocked then you will need to do daily water changes of at least 20% per day as well as a large 75% one on week ends and maybe even more if you wish to avoid constant health problems with your fish.

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14y ago
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11y ago

Goldfish do not normally shed their scales as they typically grow with the fish. Scale loss is common when there are things in your tank that the fish may bang themselves against causing scale loss, or if they are a problem with parasites that need to be treated.

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Q: Why do goldfish shed their scales?
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Related questions

Would more than one goldfish shed at the same time?

Goldfish have scales rather than hair, and as such, they do not shed


Why do goldfish have scales?

to protect them


What type of body covering does a goldfish have?

The goldfish has a body covering of scales. All fish have scales (even skarks), though their shape and composition vary.


Do salamanders have scales?

Skin that they regularly shed a layer of as they grow


What is a pearlscale goldfish?

They are a fancy goldfish (Carassius auratus). They were bred to have scales that look like pearls.


Do fish shed there scales with growth?

of course not


Could you give me a name for a goldfish?

goldie or scales


Do goldfish have skin?

gold fish have fish scales.


Your goldfish is all alone but he has some scales missing?

If your goldfish is all alone then you know it isn't from fighting or other fish. It is probably that he is growing and the scales will soon replace themselves.


Do pregnant goldfish lose any scales before they give birth?

No, goldfish reproduce using external fertilization; goldfish are never pregnant.


Do goldfish shed their skales?

Yes my goldfish sheded it skale some goldfish do its because there getting new skin or a sign of a new baby


How many scales does a 1 year old goldfish have?

Gold fish have layers of scales. can be around 8300-18,700