Q:

Why do fish stay at the bottom of the tank?

A:

Quick Answer

Many factors can influence where fish spend the majority of their time in a tank including temperature, water flow, other fish, preference and hiding places. Depending where the aquarium heater is placed, temperature in the tank may vary in different areas and fish may prefer one area to another.

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Full Answer

Another reason fish stay at the bottom of the tank is water flow. Tank pumps can create stronger currents in some areas than others. It may be easier for fish to navigate along the bottom of the tank. Large fish, or different types of fish can also cause smaller fish to stay in one area of the tank. The bottom may have more algae for fish to feed on than other areas, and many fish prefer hiding in plants and tank decorations that are found along the bottom of tanks.

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Related Questions

  • 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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  • 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:

    Do goldfish sit on the bottom of the tank?

    A:

    Goldfish sit on the bottom of the tank when they are stressed. Other signs of stress in goldfish are gasping at the top of the tank, not eating, sores on their bodies and swimming frantically around the tank. If goldfish seem stressed, the owner should consult a veterinarian.

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