? The black mermaid is a very independent ornamental fish. When they are first kept in aquariums, the fish may be less adapted. They are prone to mood swings and are sensitive to other light in the aquarium. It is very important to stabilize their emotions.
In addition to providing them with enough space to move around, they should also place some rock caves in the aquarium, which can add some sense of security to them. This kind of fish does not like to play and is very quiet. It is generally difficult to raise.
1, water temperature: the right temperature to make black mermaid healthy growth. It is possible to keep the feeding temperature between 22 and 26 degrees Celsius. This kind of fish is very sensitive to changes in temperature. It is good for their growth to reduce the temperature difference of water temperature within 2 degrees Celsius.
2. Feeding: This kind of fish likes to eat live baits such as shrimp, tubificidae and nematodes. This kind of bait is easy to digest and has high nutritional value. Artificial feed is not recommended for feeding them. For this kind of fish, such feed is prone to indigestion.
3. Water quality: It is a very good choice to feed them with water with pH value between 6.5 and 7.2. It is very important to ensure the clarity of water quality, which requires the breeder to remove feces or excess bait from the water in time.
