The mermaid is not exactly a cold water fish, and they can't adapt to the environment where the water temperature is too low. Generally, cold water fish can survive well even when the water temperature is very low, but mermaid with one eyebrow can't. Once the temperature is lower than 15 ℃, their appetite will deteriorate, which will also affect their health and greatly reduce their growth speed. Therefore, a swordfish
2. What kind of fish tank does a brow mermaid use to raiseA brow mermaid has a very large range of activities, and they like to swim freely in a large space environment, so when choosing a fish tank, we should first consider choosing a large fish tank. This kind of fish consumes a lot of oxygen, so we should pay attention to reducing the breeding density when raising it daily. When breeding, it is recommended to install an oxygen pump in the cylinder to supply oxygen to them. When choosing a fish tank, it is best to choose a fish tank with more aquatic plants. Aquatic plants can carry out photosynthesis, which can increase the dissolved oxygen in water and provide them with sufficient oxygen. In addition, the fish tank can also be equipped with a heating rod to control the temperature of water.