10 species of cold-water fish are recommended to the poor.

The 10 kinds of cold-water fish suggested for the poor are: grass goldfish, paradise fish, swordfish, crested herring, koi fish, wenyu, white cloud snakehead, rock climbing loach, red cross fish and goby fish.

1 grass goldfish

Grass goldfish is the easiest cold-water fish to raise. Because of its strong adaptability and disease resistance, it is regarded as the first choice for raising ornamental fish by most novice friends.

2. Paradise Fish

The scientific name of paradise fish is fork-tailed betta, which is similar in size to round-tailed betta. Small in size and bright in color, it is a famous ornamental fish species, which does not require high water quality and can grow well in dirty water with a water temperature of 20 to 25 degrees Celsius.

3.swordfish

Swordtail fish is strong and easy to raise, and can adapt to weak acid water or weak alkaline water. But also has strong cold resistance and strong bounce ability. Representative species include red flag fish, yellow flag fish, red and white swordfish, mandarin duck swordfish and so on.

4. Guanbei Youth

Guanbei medaka is a small cold-water ornamental fish made from wild medaka by artificial propagation, hybridization and purification. Bright colors, strong appreciation, mild temperament, miscellaneous eating habits, no picky eaters, simple breeding.

5. koi fish

Koi fish is a typical representative of cold-water fish. It is gentle, gregarious, easy to raise, adapted to the water temperature and very simple to raise.

6. Wen Yu

Wenyu, also called Wen Yu, is named because it looks like the Chinese character Wen from above. Directly evolved from grass goldfish, it is suitable for living in small containers such as pots and tanks, with strong adaptability and convenient feeding.

7. Baiyun snakehead

Baiyun snakehead, a cold-water protozoan fish in China, is not afraid of cold, even at 5 degrees Celsius. Moreover, they are flexible in action, docile in temperament and strong in viability, which are enough to facilitate some novice friends to get started quickly.

8. rock climbing loach

Rock climbing loach is a small ornamental fish with cold water, which is native to China. Very easy to raise, suitable for novices, the most common in the market.

9. Red Cross Fish

Red cross fish belongs to CYPRINIDAE and is a common small ornamental fish. Although it is a cold-water fish, the red cross fish is most suitable for living in the water temperature of 2 1 degree Celsius, and the acceptable temperature range is very wide, so it is quite easy to raise.

10, goby

Goby is a member of China native fish, which has a large number, many kinds and high ornamental value. Moreover, it has a wide range of temperature adaptation and is not picky about food. It is a protozoan fish that is relatively easy to raise.