1. Feeding space: koi fish will adjust its body shape due to the environment, so it can be kept in an aquarium or fish pond. Don't put too many decorations in the fish tank to avoid hurting the fish.
2. Water temperature: The water temperature in koi fish is 2℃-30℃, and the most suitable water temperature is 20℃-25℃. In this temperature water, koi fish swims actively, has a strong appetite, is physically strong and has bright colors. As the aquarium is used for breeding, the temperature can be controlled within the range of 20℃-25℃ all year round, so that koi fish can have a comfortable environment and grow rapidly.
3. Bait: special fish feed for koi fish. 1 kg koi fish eats 30 grams of fish food every day and feeds it 3-4 times.
Koi fish and golden carp. Freshwater fish, common in rivers.
Koi fish is a kind of brightly colored carp, named for its bright body surface and bright color. Koi fish is a variety of red carp. In China, raising red carp as ornamental fish was very popular in Ming Dynasty. After the red carp was introduced to Japan, the Japanese found that the carp would change color during feeding. According to the variability of red carp, it was artificially improved into flying carp by breeding, and many new varieties were cultivated, which were originally called "color carp" and "flower carp" and later renamed "koi fish".
Koi fish is an omnivorous fish. It is best to feed it with synthetic granules, bait, bean cakes, vegetable cakes, bread crumbs, fish worms, clams, crab meat, radishes and duckweed. It is best to feed the fish regularly to avoid the stress reaction of the fish.