How to raise zebrafish?

Zebrafish, also known as blue striped fish, striped fish, blue zebrafish, Indian fish, Indian zebrafish, cyprinid, native to India, and then transplanted to Myanmar, Bangladesh, Singapore and other places. Because of its beautiful body color, it is very popular with aquarium enthusiasts. Let's take a look at how to raise zebrafish.

Life characteristics of zebrafish

1. Zebrafish species: zebrafish has a body length of 4~6cm, with a maximum body length of 8cm. The body is spindle-shaped and slightly flattened. Zebrafish has a slightly pointed head and zebra-like stripes, hence the name zebrafish. Its back is olive, the side of the body is covered with several blue stripes from beginning to end, the male fish is dark blue lemon stripes, the female fish is blue silver gray stripes. The iris of zebrafish is yellow and red. Zebrafish have broad anal fins. Corresponding to the dorsal fin, the pectoral fin is smaller. There are more than 10 kinds of zebrafish, including long-finned zebrafish, golden zebrafish, lightning zebrafish, big zebrafish and so on.

2. Life habits: zebrafish is mild-tempered, lively and active, suitable for mixed culture. No stringent requirements for water quality, like to live in pH neutral water, like new water, suitable water temperature 22 ℃ ~ 30 ℃, limit low temperature is 10 ℃. Zebrafish is one of the fish with the widest temperature range among tropical fish, and the water temperature can be between 15 ℃ and 40 ℃. Zebrafish are fond of foraging in the upper waters and are not picky about bait. All kinds of fish, insects and artificial bait can be fed. Zebrafish is one of the most popular tropical fish because of its beautiful color and low requirements for feeding conditions.

3. Male and female differences and reproductive habits: male zebrafish has slender body, large fins, yellow body color, brownish yellow anal fins and prominent stripes; female fish has larger body, lighter body color, bluish color, light yellow anal fins and obvious abdominal enlargement during the pregnant period. Zebrafish is an egg-laying fish, 4-month-old into the sexual maturity, generally used 6-month-old fish reproduction is better. The reproduction cycle of zebrafish is about 10 days, it can reproduce many times a year, and it lays more eggs, and the eggs are non-sticky sunken eggs.

How to raise zebrafish

The main results are as follows: 1. The requirement of water quality is not high: the breeding water temperature is 20: 23 ℃ and can still survive when the water temperature is 11: 15 ℃. The water quality of zebrafish is neutral, but prefer soft water. If soft water is needed during the breeding of the next generation, soft water can improve the fertilization and hatching rate.

2. Fish tank daily feeding: during daily feeding, you can put some pebbles at the bottom of the aquarium to make the water relatively clear. It is best to use a 30m aquarium to raise a fish tank. Because zebrafish is 3-4cm long, it is a relatively small ornamental fish. But the size of the tank depends on the amount of fish raised. The eating habits of zebrafish are quite simple and can be ingested naturally and artificially.

3. Natural artificial bait: the eating habit of zebrafish is quite simple, whether it is natural bait or artificial compound feed can meet its growth needs, zebrafish will also eat.

4. Mixed culture of other species: zebrafish is mild-natured, 3~4cm-shaped, small and exquisite, swimming in the aquarium almost all day. It is easy to raise and can be mixed with other species of small and mild tropical fish.

5. Age selection of parent fish: zebrafish is an egg-laying fish, 4 months old into the sexual maturity period, generally choose to use 5-month-old fish as parent fish, plus the fish should only be strong and strong, in order to reproduce better.

6. The number of reproduction and spawning is high: the reproductive cycle of zebrafish is about 7 days, it can reproduce continuously 6-7 times a year, and the number of eggs laid is high. Its fecundity is very strong and it is the first choice for beginners to raise tropical fish.

7. Identification of male and female fish: it is not difficult to distinguish between male and female zebrafish: male zebrafish is slender, its fins are large, its body color is yellow, its anal fin is brownish yellow, and its stripes are prominent; the female fish is enlarged, its body color is light, blue, its anal fin is light yellow, and the abdomen of the fish is enlarged obviously during the pregnant period.

8, water quality temperature requirements: zebrafish reproduction is not difficult, the pH value of the breeding water is 6.5-7.5, the hardness of the breeding water is 6-8, and the breeding water temperature is 25-26 degrees Celsius.

9. Scatter immediately after production: lay a layer of nylon mesh plate on the bottom of the 25cm x 25cm square cylinder, or lay some pebbles, which fall under the net board or scattered in the gaps of the pebbles when they are produced. After the parent fish of zebrafish has finished spawning, the parent fish of zebrafish is fished out.

10, the bottom of the fish tank spawning: select 2 to 3 pairs of zebrafish parent fish, at the same time into the breeding aquarium, like to lay eggs at the bottom of the aquarium, usually from dawn to 10:00 the next morning to end spawning.

11. instructions for the end of spawning: when the parent fish of zebrafish has finished spawning, fish out of the parent fish of zebrafish. The eggs are non-sticky and fall directly into the bottom of the cylinder. At about 10:00 in the evening, the unfertilized fish eggs are white and can be sucked out with a straw.

12. Hatching water temperature Note: when the hatching water temperature is 24 ℃, the fertilized eggs hatch larvae in 2-3 days; when the water temperature is 28 ℃, the fertilized eggs hatch larvae in 36 hours. Females lay more than 300 eggs at a time, up to a thousand at most.

13. Summary of larval feeding: the water temperature for reproducing larvae is about 25 ℃. Only 7-8 days after hatching, the larvae will begin to eat. At this time, they will be fed with egg yolk ash water, and then fed to small fish and insects.

Disease control of zebrafish

1. Bacterial Gill rot: 0.3 × 10-6 dibromohydantoin can be sprinkled in the cement pool and used again every other day, and special aquarium drugs can be used in the aquarium.

2. Rotifer: infected fish often rub sand or jump dramatically. When diseases and insects are parasitic on the body surface, fish will secrete turbid mucus; when parasitic on the Gill, they will secrete a large amount of mucus and cause difficulty in breathing. Rotifers usually come from eating raw bait with the source of the disease. Therefore, if you feed the red worm, you must disinfect and wash it before feeding. Can be sprinkled with copper sulfate and sulfite mixture 0.5mg/L in the whole pool, and then sprinkled with 0.3mg/L chlorine dioxide the next day. Special aquarium drugs are available in the aquarium.

3. White spot disease: the fish disease caused by small melon worms starts with only one or two points, but it soon spreads. In severe cases, the whole body will be covered with small white spots as large as salt particles. The sick fish will always rub the sand or stones with their bodies. Try to scrape off the white spot insects attached to the body. The disease is contagious. The main reason for the occurrence of white spot disease is that the change of water temperature (drop) is too great, coupled with poor water quality and the presence of pathogens, the temperature can be raised to 30 ℃ or higher, and appropriate use of special aquarium drugs (such as Baibianjing).