. Koi is a native freshwater fish. They adapt to the living water temperature of about 18 degrees. If the water temperature is too high, the resistance of Koi will be weakened, and it is easy to get sick. The arowana belongs to the tropical fish, they adapt the life water temperature is about 25 degrees, the water temperature is too low to their growth and development is disadvantageous. It is not convenient to adjust the water temperature for these two kinds of fish.
Koi is relatively large, adult fish are generally more than half a meter in size, active in the upper and middle waters of the fish tank. Similarly, arowana is also a medium and large fish, which belongs to the surface fish and is active in the middle and upper waters. Mixing two kinds of fish together is easy to cause conflict, and is not conducive to the use of fish tank space.
of these two kinds of fish is relatively strong, but their ornamental ways are different. Koi, like goldfish, belong to the fish that look down and watch, so that they can show all their beauty. Arowana is a tropical ornamental fish, which can best reflect their charm at the same level. At this point, the polyculture of two kinds of fish together will affect their own aesthetic expression, and also affect the viewing experience of the viewer.
