Vietnam used to exist rare arowanas?

Arowanas are popular among hobbyists today. Mr. Nguyen Van Lang, Chairman of Ho Chi Minh City Aquarium, said the arowana consists of 8 types: long dragon, dragon fruit, yellow fin dragon, pink fin, red rose, golden red dragon, overshadowed kim long and pink long. According to the Research and Aquaculture Research Institute 2, there are many places in the country to breed and to produce about 10 F2 fish arowanas in Vietnam. They are chip-attached and have a ' birth certificate ' to track.

Some studies of Vietnamese scientists prove the existence of rare arowanas in Vietnam. According to the Vietnam Red Book, Vietnamese Arowana has the scientific name of seleropages formosus , commonly known as grouper, osteoglossidae family, elongated body, flattened, large scales, long pectoral fins, pectoral and dorsal fins lying about behind. This fish can reach a length of up to 90 cm and weighs nearly 8 kg. This is a very rare fish, living in a narrow distribution area Goldfish are bred in Vietnam, La Nga and Tri An rivers (Dong Nai), and are now considered extinct. Also according to the Research and Aquaculture Research Institute 2, in 2003, a number of research groups reported that a few groups of Vietnamese arowanas have been found in the upper reaches of Cat Tien National Park.

Arowana species are difficult to breed, must take care of the fish to give birth. In addition to nutrition, arowanas need special support of gas generators, pH gauges, thermometers, heaters, power-losing jacuzzis and even oxygen tanks when the fish lacks air to breathe.

Artisan Nguyen Van Nghiep, Q. Phu Nhuan-Ho Chi Minh City said arowanas are very strict about habitat, requiring aquarium water to have 18 microelements, the temperature must be low . Currently, arowanas are Very valuable, about 5,000 - 6,000 USD / child.

Photo-news: M.Dung