How to raise little goldfish in winter

Goldfish is a general term for ornamental fish improved by crucian carp. Many people like to raise goldfish because of their beautiful appearance, so how to raise small goldfish in winter?

1. Basic introduction of goldfish

Goldfish, which belongs to Cyprinidae and Carassius auratus, is one of the three famous ornamental fish in the world. It originated in China and has a history of more than 1700 years.

Goldfish is an ornamental fish domesticated from wild crucian carp. China was the first country to domesticate goldfish. The body color of crucian carp in nature is gray and white, so it is easier to avoid enemy damage in natural water. Sometimes, the pigment cells of crucian carp mutate and make the fish golden yellow.

Goldfish belongs to the same species as crucian carp in taxonomy. Compared with crucian carp, goldfish has a great variation in external morphology, but on the whole, the whole fish body can be divided into three parts: head, trunk and tail. The front of the head is the mouth, and the back has a nose, eyes and operculum. Some varieties have sarcomas at the upper end of the head, some varieties have fluffy balls above the nose, some varieties have protruding eyes, facing up or blisters, and some varieties have Gill overturning due to Gill leakage.

Second, how to raise the little goldfish in winter?

Raise goldfish in winter need to pay attention to the water temperature, water temperature above 5 ℃ is more suitable for goldfish growth, less than 5 ℃ goldfish vitality will be reduced, affecting growth. At the same time, we should also pay attention to the feeding. In winter, you can feed later, and it is more appropriate to feed around 10:00 every day. In addition, we should also pay attention to the change of water to keep the water fresh.

III. Goldfish species

There are many varieties of goldfish, the more famous five representative varieties are: grass gold, red dragon eye, crane top red, blisters, black longevity.