The blueman dragon is an artificial variant of the three-star fish (or blue star fish) in the family Perciformes, suborder Perciformidae. Some information records that "Blue Manrowana was published in 1896. It was a paper published by a scholar in West Germany. However, the description at that time was written in English, and the English name of Blueman Arowana was The name is also suspected of being forged. It is said that this name is actually the recognized Latin literary name of the three-star fish. It is mainly distributed in subtropical tropical areas.

1. Appearance characteristics of Blueman Arowana

The body of the blueman arowana is oval, with slightly flat sides, a slightly bifurcated tail fin, and a long filament-like pelvic fin about the chest, so some people call it a silk-footed perch. The color of the body is gray-blue, with extremely irregular patches on both sides that are dark blue. These two dark blue patches usually form one dark blue stripe. It's a little light yellow around the belly, and there are bright blue spots on other parts, and they are relatively evenly distributed. If the immature Blue Manrowana does not have particularly obvious sexual characteristics, it is not easy to distinguish between male and female. Therefore, when buying Blue Manrowana seedlings, you must carefully identify them and make a choice after seeing them clearly.

2. Habits and characteristics of Blueman Arowana

Adult Blue Arowanas swim relatively slowly, giving people a docile and gentle temperament, but they are actually more aggressive and like to chase fish smaller than themselves, so they are relatively aggressive. The water area where the blueman arowana lives does not have a high demand for oxygen. If there is a lack of oxygen, they will swim out of the water to breathe air, which is still very popular.

3. Breeding skills of Blueman Arowana

(1) Reproduction

Blueman Arowana is basically sexually mature when it reaches six or seven months old. It is best to choose Blueman Arowana from twelve to twenty months old as broodstock for breeding. At this time, the fish species are about ten centimeters in length, and their reproductive capabilities are at their peak, and they can lay more than two thousand eggs at a time. However, you must choose fish species that are strong and colorful. Female fish should also choose fish with a bulging abdomen. Of course, male fish should be larger than female fish. If these conditions are not met, it will be difficult to reproduce successfully.

(2) Feeding

Blueman arowana is an omnivorous fish species. It can be fed with egg yolks and rotifers when raised. Adult fish species can also be fed with red nematodes and chironomid larvae, or some pellet feed can be added. If you want to grow faster, you can add some animal bait such as brine shrimp and water fleas, but you must pay attention to following the principle of small and frequent meals when adding.

(3) Change water

The gills of young fish are immature, and the density of individuals in artificial breeding tanks is relatively high, so they are prone to hypoxia. You can consider supplementing oxygen. During the week when the young fish can swim, do not add or change the water. After a week, you can add one-twentieth or more water every day.Change the water one-tenth, but do it slowly.

4. Life span and price of Blueman Arowana

The life span of the blueman arowana is actually relatively long, and can generally live up to six to eight years. However, they are aggressive by nature, and it is difficult for ordinary people to raise them until they die naturally without the patience and care.

Due to different regions, the price difference of Lanman Arowana is quite large. The general price is still between seven yuan and ten yuan, which is still acceptable to most people. If you wholesale in large quantities, the price will be even cheaper.

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