What kinds of cold water fish do you have? Which are suitable for novice breeders?

Cold-water fish refers to fish that cannot survive when the water temperature is higher than 20 degrees. It is called cold-water fish. There are many kinds of cold-water fish, so what kind of cold-water fish do you have? Let's learn about it.

What kinds of cold water fish do you have?

The main cold water fish are salmon, rainbow trout, fine scale fish, Qinghai Lake naked carp, split belly fish, Sturgeon, elegant fish, spotted cucumber fish (stone fish), naked cucumber fish (stone fish), silver buttocks scale fish (yellow croaker), Ili buttocks scale fish (big head), Baikal Yaro fish (small white strips), black spot fish (pike). Black-backed Loach (pike), Zhe Luo salmon, black and white pike, white spot pike, yalo fish, five-way black, shuttle perch, oriental European fish, Erhe silver crucian carp, willow root fish, Hua Zi fish and so on.

Characteristics of cold water fish species

1. Cold-water fish are short-day fish. The gonads develop and mature in autumn and winter when the natural light time becomes shorter and the water temperature decreases day by day.

2. The breeding season is from October to February of the following year, and the breeding peak of most species is from December to January. Cold-water fish breed in the wild, and the water temperature is mostly below 8 ℃.

3. The upper limit of water temperature for gonadal development, maturation, fertilization, embryonic development and hatching of juvenile fish is 13 ℃, which is more than 13 ℃ with abnormal gonadal development and high deformity rate of juvenile fish.

4. Gonadal development, maturation, fertilization, embryonic development and hatching and development of juvenile fish have no obvious lower limit temperature, but can still develop and hatch normally at 0.5 ℃ water temperature.

5. The suitable water temperature for growth is 8-20 ℃, and the more above or below this range, the slower the growth. 22 ℃ metabolic intensity, feed efficiency and disease resistance decreased, and more than 25 ℃ would die quickly.

6. There is no obvious lower limit of water temperature for growth. As long as the water does not freeze, it can feed and grow.

7. Live in a running water environment with high transparency, high dissolved oxygen and clear water all your life.

Cold water fish species suitable for beginners

There are some cold water fish ornamental fish are more suitable for beginners to raise, such as koi, grass gold, white spot pike, rock climbing Loach, Baiyun gold, Chinese Douyu, goldfish, Guanbei herring, oriental oyster, pearl scale goldfish and so on.

There are many kinds of cold water fish, we can choose the species to raise according to their own preferences, generally speaking, the most is goldfish, do you have anything to add about cold water fish?

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