Colorful walrus fish is not a high-grade fish, white arowana is a high-grade fish. White arowana: The price is 2.7 million yuan, also known as albino arowana. White arowana is the result of a very rare genetic mutation. It is snow-white, slightly transparent, clean, without any melanin, especially elegant and without any impurities. Because of the fear of light, nystagmus, skin cancer and other arowana diseases, it is difficult to survive and reproduce, so the number is very small and the price is expensive. Generally, white arowana can reach 35 inches in length and live for more than 50 years.