The size of the fish tank required for a Arowana depends on its species, age, and the breeding environment.
The Size of Fish Tanks Required for Different Species and Ages of Arowanas
Silver Arowana: The body of a Silver Arowana is soft, and its requirements for the fish tank are relatively lenient. A fish tank ranging from 80 to 150 centimeters can be used to keep it. However, for a better growth condition, it is recommended to use a large tank that is more than 2 meters long.
Golden Arowana: The bones of a Golden Arowana are relatively hard, and it is not as flexible as a Silver Arowana when turning around. Generally speaking, the length of the fish tank should be three times the length of the fish, and the width should be more than 1.5 times the width of the fish. For example, if a Golden Arowana is 60 centimeters long, the fish tank should be at least 180 centimeters long.
Red Arowana: The bones of a Red Arowana are also hard, and it has difficulty in turning around. It is recommended to use a fish tank that is at least 2 meters long.
Recommended Fish Tank Sizes for Arowanas of Different Sizes
Small Arowana Fish Tank: It is suitable for fry or young Arowanas. The sizes can be 80×45×45 centimeters, 90×45×45 centimeters, or 120×50×50 centimeters.
Medium Arowana Fish Tank: It is suitable for keeping Arowanas alone or in small groups. The recommended sizes are 150×60×60 centimeters, 180×60×60 centimeters, or 180×70×70 centimeters.
Large Arowana Fish Tank: It is suitable for adult Arowanas. The recommended sizes are 200×60×60 centimeters, 200×80×80 centimeters, or 200×100×80 centimeters. For larger Arowanas, fish tanks that are 3 meters, 4 meters, or 5 meters long can be considered.
Suggestions for Decorating the Fish Tank
To provide a better growth environment for Arowanas, some aquatic plants and decorations can be arranged in the fish tank. For example:
In a wider fish tank, a piece of glass parallel to the front side can be placed. The height of the glass should be slightly lower than the water surface, dividing the tank into two parts. The Arowana can be kept in the front part, and aquatic plants can be planted in the back part.
In a longer fish tank, use glass to divide the tank left and right. The larger side can be used to keep the Arowana, and the smaller side can be used to plant aquatic plants.
Or use a square glass box to plant aquatic plants and place it on one side of the tank without separating the fish from the plants.