Parrotfish is a tropical fish that lives in coral reefs. At high tide, parrot fish, large and small, wearing bright green and yellow coats, swim from the deep water on the outer slope of coral reefs to shallow reefs and lagoons. Parrotfish has a special digestive system. Nautilus fish bite off corals along with bones with their plate-like beaks, then grind them with their throat teeth and swallow them into their stomachs. Nutrients are digested and absorbed, and coral fragments are eliminated from the body. The throat teeth of parrot fish are not as sharp as teeth, but have evolved into stone shapes. The maxillary surface of the throat teeth is convex, which matches the concave below. There are rows of thin and sharp teeth on the upper and lower jaws. Small teeth are closely arranged to form many plates with sharp edges. Every time a large group of parrot fish swim by, the top of the coral branch will be cut off, revealing white stubble. When parrot fish breed, the male fish scatters sperm first. Then, the female fish spreads the eggs in the center of the sperm. This method of reproduction can only fertilize a part of eggs. Only a few people can be lucky. Some people say that parrot fish is poisonous, while others say that parrot fish is not poisonous. What the hell is going on here? It turns out that the parrot fish itself is not poisonous. However, some foods of parrot fish are poisonous. Parrotfish has organs that decompose and digest toxins. So parrot fish will not be harmed by these toxins. However, if people catch parrot fish at this time, and the toxins in its body are not completely removed, then the toxins in parrot fish food will be passed on to the people who eat parrot fish. Therefore, many fishermen advise greedy diners not to eat parrot fish.

Another kind of fish is a hybrid of male azazel and female purple crater, also called parrot fish.

The parrot fish is the most beautiful fish I have ever seen, especially the pink one. It's so cute, the price varies from region to region, which can be as much as ten times.

Basic information and feeding methods of parrot fish

Parrotfish is a hybrid of Azar fish and purple hot-billed fish. Because it is a cross between different varieties, the male blood parrot is infertile. The chromosomes of fish eggs can't be paired neatly, so the embryos can't develop into larvae. Theoretically, it should be possible to fertilize parrot eggs with male craters and azazel. Some female parrots can also cross with arhats. The parrot fish does not have the shape of an adult parrot in the larval stage. After three weeks, the shape of the larval fish will gradually change: the head is raised, the body becomes round, and the body color changes from black to gray and then slowly turns red. The life span can reach 4 ~ 5 years, but after the third stage, the physiological function of Nautilus will show signs of aging and lose its ornamental and commercial value.

Variety:

(1) Blood parrot: Its body color is blood red, its body is wide and its tail handle is short. Face like a parrot: big eyes, small mouth, the maximum length of 20 cm;

(2) Macaw: a variety of blood parrot, with a big red sarcoma on its head, a body length of more than 30 cm and a life span of about 8 years;

(3) purple parrot: strong individuals of blood parrot are selected and fed with special feed for artificial color enhancement;

(4) Heart parrot: A blood parrot whose tail is cut off by surgery. When it stands upside down, it looks like a heart.

(5) One-horned fairy parrot: a blood parrot that uses surgery to trim the front end of the dorsal fin of the larva into a rhinoceros horn shape;

(6) Candy parrot: By injection, the blood parrot appears in four colors: purple, blue, yellow and orange. But the color doesn't last. In addition, there are laser-stained parrot fish, which are written with the words auspicious, blessed, rich and longevity.

breeding method

The water temperature is 2 1 ~35℃, and 25~30℃ is the best. Parrotfish prefer fresh water, and should change 1/5 fresh water as much as possible every day. If the water quality is weak and refreshing, don't change the water frequently. Due to genetic factors, the respiratory system of the blood parrot is not complete enough, and its efficacy is only half that of other fish, so the dissolved oxygen in the parrot's aquarium is much higher. Mild temperament. Eat a lot, omnivorous, red worms, bumper shrimp, breadworms, small fish, Daphnia, earthworms, granules and other considerable feed can be fed. You can feed it two or three times a day. In order to ensure the bright body color, we should often feed the feed such as "Bao Zeng Hong". When new fish enter the tank, it will change color because of the sudden change of water quality, and it will gradually get better after adapting to the environment and adjusting the water quality. It is best not to mix other kinds of fish in the blood parrot's tank. It is best to set large aquatic plants, clay pots and heavy wood in the aquarium for parrots to hide. However, artificially trained parrot fish can change their timid habits: they often knock on the fish tank to make parrot fish form habits; You can only feed half the food and force them to come out for food; Mixed with bolder fish to drive them to move. Parrotfish have a strong sense of territory and often see fights between their own kind. Increasing the number of farms will reduce fighting. Because of its lively nature, parrots also like to fiddle with the sand at the bottom of the sea. Can be used with Mary, Pearl, Jianwei and Lili. Mixed culture of angelfish; Can be raised with gentle big fish. You can also mix with the smaller arhats since childhood, because they have a strong sense of territory. Adding penicillin and methyl blue will also make parrot fish pale. Increasing illumination, strengthening filtration, thickening filter material and heating to 28 degrees are all practical methods to maintain body color. Pay attention to the consistency of water quality when changing water newly. It is found that the parrot fish can be fed with coloring feed or shrimp meat when it fades, but the artificially dyed parrot fish will definitely fade after a period of culture, and it is irreversible. # Changing to a red tube can also make up for the visual defects.

Common diseases: dermatomycosis, also known as water mold and white disease, is one of the most common diseases of ornamental fish. Pathogens include water zero, cotton mold, heterotypic mold, filariasis, pythium and so on. When fishing and transporting ornamental fish, the skin of the fish was accidentally injured, or the skin was damaged by parasites. The spores of mold invade the wound, absorb nutrients and germinate quickly. One end of the mycelium goes deep into the muscle, and the other end grows outward, forming a cotton-wool mycelium. When mold is only parasitic, it is not easy to be found by naked eyes; When visible to the naked eye, mycelium has invaded from the wound of fish and grown from the outside to the inside. Mycelia entangles and adheres to the wound tissue, causing tissue necrosis. Due to more and more cotton-wool hyphae, the fish body is overloaded, which makes swimming abnormal, loss of appetite and emaciation, leading to death. When ornamental fish are infected with mold, they will also be affected by the length of light. Continuous rain for a long time, or insufficient indoor lighting, sunlight and other light sources will promote the growth of mold. The skin of fish infected by mold is usually covered with a layer of white, especially black and red fish, thus losing the luster of fish. Subsequently, the activity is slow, often dull, floating on the water. If not treated in time, the mold of fish will spread, the muscles of the affected area will rot, the appetite will decrease, and eventually it will lead to death. [Treatment] Dermatomycosis can occur all year round, especially in early spring and late winter. In order to prevent the occurrence of water mold, attention should be paid to prevent fish from being injured and bitten by parasites, and a small amount of salt can be put in the water to inhibit the occurrence of water mold. When fish are found to be infected with water mold, they can be soaked in 3% salt solution for 5-1 0 minutes every day, or in 2ppm potassium permanganate solution and 1% salt for 20-30 minutes, or in 1-2 ppm malachite green solution. Or soak in 1-2 ppm (1-2 ppm) methylene blue solution for 20-30 minutes, or soak in 5ppm (furacilin solution), or directly sprinkle 0.02ppm (malachite green solution) and 0.3ppm (formaldehyde solution) into the aquarium for inhibition. You can also raise the water temperature to inhibit the growth of water mold. Installing a 15W ultraviolet lamp on the top of the aquarium for several hours every day can effectively inhibit or eliminate the breeding of water mold.

The pathogen of white spot disease is melons, and tropical fish can be infected all year round, with high morbidity and mortality. Symptoms and pathological changes At the beginning of the disease, pectoral fin, dorsal fin, caudal fin and skin on the body surface were scattered with white spots. Although the sick fish are fed as usual, they often gather in the corner of the fish tank and rub against each other. A few days later, white spots covered the whole body, and sick fish often floated on the water in a dull state. [Treatment] A, raise the water temperature to 28 degrees Celsius, and the small melon worms will break and fall off in a few days. At this time, replace fresh water and keep the water temperature, and the sick fish will basically recover. B, choose 0.05%~0.07% mercuric chloride solution to treat diseased fish for 5 ~ 65438 05 minutes for 2~3 days, and the effect is good. C, fish soaked in salt for 24 hours, and it will take effect in a few days.

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