. How high the water level of a 60-centimeter-high fish tank is generally about 55 centimeters. Usually, do not fill up the water. Too high water level will generally cause three problems, the first is to increase the risk of tank explosion, but the normal quality of the fish tank will not have the possibility of tank explosion. The second is that the water pressure is higher, the higher the water level, the greater the water pressure at the bottom, which is harmful to the health of fish. The third is the impact of dissolved oxygen, the bottom of the dissolved oxygen is low, fish breathing will not be smooth.
1, arowana: arowana is a more popular ornamental fish, the body is relatively large, can adapt to deep water level. The life span of this kind of fish is relatively long, generally can be or decades, temperament is also very fierce, mainly feed on fish and shrimp, so rarely mixed with other fish, in addition to the common golden dragon, silver dragon, there are red dragon, pearl dragon fish and other species.
2. Map fish: Map fish is native to the Amazon River Basin in South America. It has beautiful appearance and delicious meat, and can survive in deep water. Its size is very big, the length is about 30 centimeters, the life span is more than 10 years, likes to be close to the human, even may come out of the water to receive the bait.
3, blood parrot: Blood parrot also calls money God fish, its whole body is bright red, the body is plump, body length is controlled in 15-20 centimeters. This kind of fish has a strong body, mixed feeding habits and strong adaptability to water quality, but it must live in an environment with high dissolved oxygen, otherwise it will die of hypoxia.
