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How To Take Care Of Baby Koi Fish. Ad Search Faster Better. Cover the aquarium with a hood to reduce evaporation and splashing and to keep fish from leaping out.
Carp need 5 mg of oxygen for every liter of water in your tank or pond. Make sure that the tank is well oxygenated and that the filter is covered with a filter medium to prevent the baby koi from being sucked in. Baby carp need a lot of oxygen to live.
Keep mature koi in an outdoor pond of at least 3 feet deep with at least 50 gallons of water per fish.
The rule of thumb with these fish is to keep 10 gallons of water for every inch of fully grown Koi. Switch on the Filter. Ad Search Faster Better. Its best to take care of baby koi in a controlled tank as it will let you keep an eye on the fry as well as closely monitor their growth.