How to change the water of goldfish needle seedlings

Goldfish is a common ornamental fish, their posture strange, colorful, loved by people. So, how do goldfish needles change water? How they're reared. What?

How do goldfish needle seedlings change water?

First of all, prepare clean water, pay attention to the new water and old water conditions to be similar, with a basin to scoop up goldfish needle seedlings with water, and strive to be light and slow. The old water is then pumped out, the sediment is removed from the bottom, and the new water is slowly poured into the tank. Finally, the pot of goldfish needle seedlings even basin with water poured into the water change is completed. After that, it will be done once every half month.

2. Feeding methods of goldfish needle seedlings

1. 3 to 10 days of fry management

Feed for the first time: do not feed fry within 2-3 days after hatching. Wait until 3 days later, the nutrients in the yolk sac of the fry have disappeared, and then it is necessary to add feed. Goldfish fry is very small, if feeding large fish insects and other organisms simply can not eat, so this time feed is the most important, then our bait pond also came in handy.

After fishing, it must be sorted first. The smallest fry is sieved with a 200-mesh sieve, and the feed filtered with a 200-mesh sieve is also called water, which is the best food for the newly hatched fry of ornamental fish. Paramecium and rotifers are the main components of the water. Paramecium is very small, only 0.15-0.3 mm in length, which is suitable for newly hatched fry to do feed. Paramecium protein rich, but also live food, small fish eat can thrive.

After filtering, add water to feed. The feeding amount should not be too much each time to prevent pollution of water quality. Feed at about 10 a.m. every day.

2. 10 - 30 days fry management

Goldfish fry growth speed is very fast, ten days, can grow to about 1 cm, this time can swallow plankton can also increase some, you can use 100 mesh screen filtered fish.

After ten days, the fry are no longer so delicate, and the water temperature can be gradually reduced to 15 degrees Celsius. However, due to the young fry, this stage is not suitable for changing water, generally take the way to add water to the nursery pool.

3. Management of fry after 30 days

Thirty days later, the fry's body has grown up, dorsal fin and tail fin are also fully developed. At this stage, the resistance of fry is obviously increased, not only can they eat fish and worms filtered by 80 mesh screen, but also can increase artificial compound feed. If there is no compound feed production equipment, carp compound feed can also be used instead. Feed once a day in the morning and afternoon, preferably within 20 minutes.

Goldfish needle seedlings for water must pay attention to light, slow, slow, and wait until they are slightly larger on the easy feeding. Breeding some goldfish at home, not only has a high ornamental value, but also implies a full house of gold and jade, more than a year. Interested friends can try it.