Q:

Why do goldfish stay on the bottom of tank?

A:

Quick Answer

A number of issues cause goldfish to engage in bottom sitting, including poor water conditions, ammonia, nitrates, nitrites, parasites and swim bladder disorder. Bottom sitting is when a goldfish sits at the bottom of an aquarium.

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Full Answer

To prevent bottom sitting, do a partial water change on the aquarium at least once a week. Removing 15 percent of the water keeps ammonia, nitrate and nitrite levels at a healthy level for the goldfish. Check the goldfish often for any raised bumps that might be caused by parasites. Soak goldfish food in dechlorinated water before feeding so that the goldfish does not ingest oxygen, which can also cause bottom sitting.

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Related Questions

  • Q:

    How many goldfish can I keep in a 10-gallon tank?

    A:

    A 10-gallon tank is unsuitable for keeping any adult goldfish. Goldfish commonly reach sizes of 8 to 10 inches, making them far too large for a 10-gallon tank. Fancy goldfish require at least a 20-gallon tank, and common goldfish need a 30-gallon tank.

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  • Q:

    Why do goldfish swim at the bottom of the tank?

    A:

    Goldfish Connection indicates that goldfish sit at the bottom of an aquarium because of high or low levels of certain chemicals, such as ammonia or nitrates, in the water. A low pH level can also cause goldfish to settle on the bottom of the tank.

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  • Q:

    Why do goldfish sink to the bottom of the tank?

    A:

    Goldfish that sink to the bottom of the tank often suffer from disorders in the swim bladder, where digestive gases are exchanged. Swim bladder malfunctions affect buoyancy. Several factors impact the swim bladder, including infection, tank depth and width or outside environmental influences. If buoyancy issues continue for a period of time, the fish is unable to feed or reach surface water.

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  • Q:

    Why do goldfish sit at the bottom of a tank?

    A:

    Goldfish sit at the bottom of a tank when they are not well, often because toxins have built up in the water. Goldfish are usually active, and lethargy is a sign of illness.

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