? Goldfish originated in China. It is the earliest ornamental fish species in China. It is due to the change of pigment cells in wild crucian carp, which leads to the red and yellow color of the fish body. In order to symbolize auspiciousness, people named this variant crucian carp goldfish. Up to now, many kinds of goldfish colors have been cultivated, and there are many categories. Goldfish is easy to raise, colorful and graceful. It is an omnivorous fish that has been successfully domesticated by people, and has been favored by many fish enthusiasts.
goldfish is a more common ornamental fish, family feeding goldfish need to pay attention to the following points:
1, water temperature and water quality: to raise goldfish, water temperature and water quality is very critical. Goldfish's favorite temperature is 22-26 degrees, and the PH value should be controlled between 7.5 and 8.5. In general, water can be changed every 3-4 days in summer, every 7 days in spring and autumn, and every 15 days or so in winter. When feeding, the feces and food residues in the fish tank should be cleaned up in time so as not to destroy the water quality.
2. Feeding: Goldfish is an omnivorous animal. Although it eats everything, it can not only feed a single food. It needs to consider balanced nutrition and reasonable collocation of food. It is best to feed plant and animal foods together. They can also be fed with artificial feed.
