The body length of arowana varies from species to species. The normal size of wild arowana is more than one meter, while the arowana raised by aquarium can grow to 80 cm, and the longest arowana can grow to nearly one meter. As an artificially trained fish, the most common body length of arowana is 50 cm to 60 cm, and the adult arowana will grow to about 100 cm. There will be three meters of arowana in the farm.
Factors such as feeding, light, dragon trough environment and water quality will also affect the body length of arowana. How long the lucky fish can grow has a great influence on the water temperature control of the lucky fish.
Proper water temperature control of lucky fish is helpful to provide a comfortable feeding environment and avoid unnecessary interference. The water temperature of lucky fish can be controlled at about 22-26℃, which is lower than the adaptive range of water temperature, and it is easy to get white spot disease of lucky fish, which brings great test to the health of lucky fish.