How old can grass goldfish grow in a year?

Grass goldfish is a common ornamental fish in life, which is easy to feed, so many people like to keep several grass goldfish at home. How big can grass goldfish grow in a year?

How big can grass goldfish grow in a year?

How big the grass goldfish can grow in a year is related to the size of the fish tank and culture skills. Generally speaking, the larger the water surface is, the faster the fish will grow. Usually can be raised to about 20cm, a few good grass goldfish raised in the pond can reach 30cm body length, or even up to 40-45cm.

Second, how to raise grass goldfish?

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.