Is the red arowana a freshwater fish or a saltwater fish?
Red arowana is a freshwater ornamental fish, similar to arowana and red tail fish. Its color is mainly red, ranging from light to orange, pink, or even deep red and blood red. Among them, blood red is the most valuable. rare. Therefore, red arowana is divided into pepper red dragon, blood red dragon and orange red dragon, with pepper red dragon being the best.
The red arowana belongs to the Osteoglossidae family of ancient fishes. It is native to Indonesia. Its reproduction method is peculiar. After the female fish lays eggs, the male fish holds them in the mouth to hatch and raise them. The reproductive ability is weak, so Relatively rare and precious. Moreover, the red arowana is called "arowana" because it resembles the legendary dragon. It has two beards on its mouth and sparkling scales. The fish's scales, snout, gill cover, fins and tail All appear in varying degrees of red. Due to the influence of the Chinese dragon culture, the arowana is regarded as a divine fish and the incarnation of auspiciousness. It has the meaning of prospering the home, warding off evil spirits, and attracting fortune, so it is elegantly called a Feng Shui fish. However, because it is on the verge of extinction, it was listed as a Class A protected animal in the 1980 Washington Wildlife Conservation Treaty and is highly valued. It was once speculated that a red arowana could be worth up to one million yuan.
The main difference between male and female red arowanas lies in some differences in body shape and color. For example, the mouth of male arowanas may be larger in preparation for future nursery. In addition, the pectoral fins are dark red, and the fish body is longer and thinner than the female fish. That is, the female arowana has a fatter and shorter body than the male fish, and the abdomen is easier to feel swollen, and the pectoral fins and head are lighter in color.
Red Arowana is suitable for living in a slightly acidic water environment with a water temperature of 24-28 degrees Celsius and a pH value between 6.5-7.5. It is best not to contain nitrite and chlorine.
A common disease of red arowana is hemorrhage. The body surface of the sick fish becomes black and dull, and the mouth, muscles, and bases of various fins are congested; severely sick fish show the phenomenon of "white gills" . In addition, sick fish have a loss of appetite and slow movement. They often swim alone or swim slowly in circles, become emaciated, and have muscle atrophy, leading to death. The onset season mostly occurs from June to September.