How to Select and Choose Goldfish Fry, and How to Change Water? (The King of Goldfish)
Because goldfish offspring have a large number of variations, many of the hatched fish are single-tailed, and also have not many typical breed characteristics, these poor fish seedlings need to be eliminated, which requires goldfish seedlings to be selected. The selection must grasp the ‘early’ character, that is, when it can be distinguished, early removal of the poor goldfish from the pond, to reduce the density of goldfish farming, in order to allow the good goldfish to grow quickly. The following methods are usually taken:
How to select baby goldfish?
During the growth of goldfish seedlings, it is necessary to constantly select the best and the worst, in order to ensure the breeding of excellent varieties. Generally, 1 tail is left as seed, and it takes about 4-5 times of selection to reach the requirements. The selection standards and methods are as follows:
1st Selection of FishWhen the small goldfish hatch about 15 days old, and grow to 1.5 cm, combined with water changes, conduct the 1st selection. The purpose of this selection is to eliminate and remove the single-tailed goldfish. When selecting, use a white spoon to scoop out the single-tailed goldfish.
2nd Selection of FishWhen the fish seedlings grow to about one month old, and are more than 2 cm long, its fins have developed very obviously, it can be carried out the 2nd selection. Put aside the single-tailed, off-tail, and incomplete dorsal fin small goldfish, all the remaining ones should be four-tailed goldfish.
3rd Selection of FishWhen the goldfish grow to 2-month-old, the whole parts of the body have basically formed, it is necessary to start the 3rd selection. Eliminate all goldfish with unclear breed characteristics. Such as spherical goldfish, the small sphere, asymmetrical; Tiger Head, Lion Head varieties, the head is pointed; Dragon Eye goldfish eyes are not prominent, asymmetrical; Bubble Eye goldfish bubbles are not consistent in size; Sky Eye goldfish do not look at the sky; dorsal fin is low and incomplete; Pearl Eye goldfish scales are not convex; Egg Seed goldfish the dorsal spine is uneven or has foreign bodies; Butterfly Tail goldfish the tail is small: not fully unfolded, etc., all need to be eliminated. The remaining ones are healthy in shape, four-tailed, and clearly visible superior characteristics of young fish. Carefully feed the remaining young fish.
4th Selection of FishWhen the color has formed, and the body has also developed well, at this time it is still possible to carry out the 4th selection. Eliminate single-color fish with dull and impure colors, or not yet decolorized; Five-color fish eliminate coarse flowers and flower colors that are too monotonous. Eliminate those with poor body shape. Preserve the ones that are healthy in shape and vibrant in color. Five-color fish should be blue base, fine fragments are distributed all over the body individuals; Red head or Scarlet Head should be located above the head, the whole body has no mixed color. Wait until the key cultivation reaches late autumn and early winter, for unstable characteristics of goldfish, such as single-color fish start to lose color, Scarlet Head or Scarlet Head appeared mixed color, yellow spots appeared under the belly, then continue to eliminate.
In short, diligently select and eliminate, you must make a firm decision to remove the impure goldfish, in order to preserve the quality of the goldfish.
How to change water for baby goldfish?
After the goldfish seedlings hatch, daily remaining food stored in the water, over time the food rots and affects the life of the fish seedlings, so it is necessary to change the water. When changing the water, use the dehydration method, that is, when changing the water, put the fish and relatively clean old water into the new water. The 1st dehydration is about 10-14 days after hatching, and then 1 time every half month. After 3 dehydration, the whole length of the goldfish seedlings reaches about 2 cm, it should be changed with water. Since the fish has a weak resistance, the temperature difference should be kept within 4℃.
How to change water for needle goldfish?
First prepare clean water, it is important to make the new water and old water similar, use a basin to scoop up the needle goldfish, the action should be light and slow. Then extract the old water, then clean the sediment at the bottom of the basin, then slowly pour the new water into the fish tank. Finally, pour the needle goldfish in the basin into the fish tank with the basin and water to complete the change of water.
