How to reproduce red crucian carp
Red crucian carp, also known as grass goldfish, is a common ornamental fish in life, similar to koi, very popular with people, how to reproduce red crucian carp?
First, how to reproduce red crucian carp?
From March to August, red crucian carp will lay eggs in overgrown lakes after rain and can lay eggs 2-4 times a year. However, due to different growth areas, the spawning time will be slightly different. For example, in spring, the water temperature rises above 15 degrees before it begins oestrus, and when the water temperature rises to 26 degrees, it reduces spawning, generally spawning every 10 days.
Second, how to raise red crucian carp?
1. Density: the feeding density of grass goldfish should be less, not more. Usually, adult fish with a length of more than 8 cm should not be raised in a small glass tank, but should be raised in a large glass tank or in a ceramic tank and equipped with a small aerator to prevent hypoxia.
2. Feeding: grass goldfish is fed with nutritious animal feed (water fleas, earthworms) and white sesame, etc., do not feed inferior grass goldfish feed bought, usually in the morning and afternoon, should not be fed more, in order to eat up.
3. Lighting: when raising grass goldfish, it is best to put the fish tank where the sun is exposed for 1 to 2 hours, so that the ultraviolet rays of sunlight can be used to sterilize and prevent the disease. at the same time, due to photosynthesis, the color of the fish is also more bright and beautiful.
4. Water change: grass goldfish can increase the dissolved oxygen in the water by changing water frequently. When changing water, only 1/3 to 1/4 can be changed, and many of them will not adapt at once. There is no final conclusion when to change the water. Depending on the water quality, the water quality is often changed when the water is muddy.
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