What kind of water temperature does crucian carp adapt to? What kind of food does it eat? How often do you change the water?

Carassius auratus, also known as grass goldfish, if sufficient bait, faster growth, three-year weight of more than 500 grams, body length of about 30 cm, up to 50 cm. So, what kind of water temperature does Carassius auratus adapt to? What kind of food does it eat? How often do you change the water?

What kind of water temperature does Carassius auratus adapt to?

Goldfish can survive in water with a temperature of 0 ℃ and 39 ℃, but in this range of water temperature, if the sudden change of water temperature is more than 7 ℃, the goldfish is easy to get sick, and if the mutation is larger, it will lead to the death of goldfish.

The optimum water temperature for goldfish life is 20 ℃ 28. In this temperature range, the higher the water temperature, the more vigorous the metabolism and the faster the growth and development of goldfish.

What kind of food does golden crucian carp eat?

Crucian carp are fed nutritious animal feed and white sesame and so on. Animal feed such as water flea, earthworm, yellow powder worm, green worm, dermatode and so on. Earthworms and white sesame seeds are mainly fed. Both red and black earthworms can be fed. Don't feed the inferior goldfish feed you bought. Because this kind of feed has too much starch, poor nutrition, not easy to digest, water quality is easy to be polluted, goldfish eat malnutrition, goldfish growth is relatively slow, but also easy to get sick. Goldfish will not die as long as they eat food that is easy to digest. Generally, the food is fed once every morning and once in the afternoon. It is not advisable to feed more until the meal is exhausted. Otherwise it will pollute the water quality.

How often does the crucian carp change the water?

The stable time of water quality of ornamental fish is closely related to the water temperature. In spring and autumn, the water temperature is suitable, the water color is bright green, the growth of algae in the water is moderate, and the fresh-keeping period of water quality is longer. At this time, the method of mixing water is often used, usually once every 2-3 days, and the whole time of changing water is about 15 days. In the midsummer season, the water temperature is high and the algae grow vigorously. Generally, the water color turns green in about 3 days. The green water in the midsummer season is easy to cause the goldfish to burn its tail, so the goldfish feed water mostly adopts the method of changing water completely, and the water change time is 3-5 days. The water temperature is low in winter, the algae in the water grows slowly, and the water color turns green for a long time, so the method of mixing water is often used. The whole water change time is about 1-2 months, and part of the green water is mixed into the new water for a long time to maintain the stability of the water quality. Family raise goldfish, aquarium are equipped with water quality circulation filter, generally open 5-6 hours a day, the water quality can be clarified forever. In the season when the water temperature is suitable, the method of mixing water can also be used to maintain the stability and freshness of the water quality and to stimulate the appetite of fish at the same time.