Questions tagged [goldfish]

Questions and issues regarding goldfish - one of the most popular aquarium fish.
Use with other relevant tags, such as feeding or health

The tag should be used for questions regarding goldfish, include any other relevant tags, such as health.
Goldfish is cold water fish, a member of carp family and has been selectively bred for over a thousand of years, currently having a few hundred recognized varieties. Somewhat commonly they are seen erroneously as an easy-maintenance pet requiring a only a small, filterless bowl - while in fact they need from about 38 to 80 liters of tank volume per one specimen, depending on the variety, to thrive and be able to reach it's full potential lifespan of over 10 years.

103 questions
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How can I get rid of a goldfish

A few weeks ago my wife rescued a goldfish from a public fountain. We put it in a fishtank lended by our neighbors then we installed a filter and some decorations. The thing is that : after a few days the kids lost interest, I'm not sure the tank…
Mathieu
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Goldfish problem

Hey guys any idea what’s wrong with this poor guy he’s acting pretty normal but he has this big red spot/bump between his eyes and he has brown around some of the white on him. The white and the jagged fins are because he was attacked by another…
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I have a thirty gallon tank with seven fancy goldfish

I have a thirty gallon goldfish tank with seven goldfish in it. Is this overstocked? All but two of the goldfish seem healthy, with one sometimes bottom sitting and the other with black marks that I can’t tell if are ammonia burns or not.