can red arowana grow? Red arowana can grow to about 80-90 centimeters. This fish is native to Indonesia. Its body is pink or dark red, and its scales are large enough to reflect luster. Its back is smooth, the dorsal fin is behind the body, close to the caudal fin, and there is a larger anal fin below. Raising this kind of fish must be able to choose, the color should be bright, the fins should be complete, the scales should be neat, and the gills should be close to the fish body.
1, feed: raise red arowana should first pay attention to feeding, as a carnivorous fish, its temperament is ferocious, the wild is mainly fed by animals, artificial breeding is the same. Usually, small fish, shrimps, red worms, mealworms and tubificidae can be used as food. The acceptance of pellet feed is not high, and it needs to be trained before eating.
2, change water regularly: No matter raise what fish to want to change water, the stand or fall of water quality has an effect to the health of the fish and body color. Usually every seven days, should not be changed too frequently, otherwise it will stimulate the fish, and each time the amount of water can not be too large, because this kind of fish is raised in a big tank, more water, so a quarter or so can be changed.
3. Pay attention to the water temperature: As a tropical fish, the red arowana has certain requirements for the temperature. The water temperature must be controlled between 24-28 ℃. If the temperature is too high or too low, it will affect its growth. The fish tank must be equipped with a heating rod so as to maintain a constant temperature.