The koi fish is a colorful carp, so named because of its bright surface and brocade-like patterns. Koi originated from Chinese carp and is the national fish of Japan. It has a history of 200 years of farming. It can be mainly divided into 13 major categories, with about 100 kinds. Today's koi swim with elegant posture, beautiful body and gorgeous body color, so they are also called living gems in the water and have high ornamental value. Many friends have the habit of raising fish. The most common fish raising is koi fish, so how to raise koi fish? What is the raising method of koi fish?

1. Feeding methods of koi fish

1. Water environment

Like goldfish, koi fish do not have very strict requirements on water temperature and water quality. The suitable temperature range for carp is 2°C-30°C, but it should be noted that koi fish cannot resist sudden changes in water temperature. The suitable water temperature is 20°C-5°C, and the demand for sufficient oxygen is suitable for living in a slightly alkaline, low-hardness water quality environment.

2. Food Feeding

Koi fish are omnivores, crickets, earthworms and other insects can be eaten, and vegetarian food such as bread crumbs and steamed bread are no problem. It is best to feed synthetic granules, bait, bean cakes, vegetable cakes, bread crumbs, fish and insects, clams, crab meat, weeds, duckweeds, etc. to raise koi fish. If you feed a lot, you need to change the water frequently. The more you feed, the worse the water quality.

3. Stocking density

For general stocking density, please refer to the density table for stocking koi in fish ponds. You should tell this when you buy relevant containers. For example, the density of the water cluster box is generally 60 cubic centimeters x 30 cubic centimeters x 15 cubic centimeters. Such an aquarium can support 6 koi fish with a body length of 15cm-20cm.

4. Prevention and control of fish diseases

The common fish diseases of koi mainly include water mold, skin mold, white hair, vertical scale, and scale Disease, pine scale disease, enteritis disease, gill rot disease and so on. The most important prevention method is to ensure good water quality and regular water changes; the second is not to feed expired, spoiled or rotten food. If necessary, you can customize some disinfecting potions.

5. Lighting

Koi do not need special lighting, but in order to sterilize, you can also buy those lamps with sterilization effect, at night An hour or two will do.

2. Precautions for raising koi fish

1. Stocking density

When raising koi fish Before, first consider the size of the rearing container and the number of koi that can be accommodated. To fully meet these conditions, only garden ground ponds are raised. But as a city dweller, not everyone has a garden, so they have to use an aquarium instead. Regarding the stocking density, it should be adjusted according to the size of the container, the amount of water, the water temperature, the oxygenation state, the size of the fish and the growth situation.

2. Variety Matching

You can choose species that reflect light on the fish, such as gold, platinum gold, Matsuba gold, Yamabuki Gold and other koi, and then match with German carp. But whether it is kept in ground ponds or aquariums, most of them are mainly brightly colored koi, supplemented by darker, shiny and elegant ones.

3. Feeding method

Koi are omnivorous fish and can be fed with animal or plant food, such as water fleas, water worms, Shrimp, cornmeal, biscuits, instant noodles, vegetables, and even rice balls can be eaten. However, in order to make the koi colorful, in addition to matching the lighting, background and water quality, it is more important to feed the high-nutrition special koi color-enhancing artificial feed, in the form of flakes or granules.