The life span of the big pencil fish is very long, and it can live for more than ten years. This kind of fish is suitable to live in fresh water, its swimming speed is not fast, the quality of water and feed hygiene often affect its life. It lives well in neutral or weakly acidic water, and the range of feed is relatively large, but it usually needs to be fed with meat, which should be disinfected before feeding.
The size of the big pencil fish is generally limited by the fish tank. If it grows in the wild, it can grow to about 120-150 centimeters. Domestic basically can not be so big, 1.5 meters of tank can be raised up to about 70 centimeters, if the tank is smaller, the size of the fish will be smaller, usually 1 meter tank, the fish can only grow to 40-50 centimeters.
1. Morphological characteristics: The big pencil fish is a fish of the family Ophiocephalidae. It has a relatively long body. The front part of the body is thick and round, while the back part is somewhat flat. It has a short head, a prominent mouth, and a brightly colored exterior with three longitudinal stripes, usually arranged in parallel. Its fins are red at the base and its tail fin is vermilion.
2. Living habits: The big pencil fish is native to the middle and lower reaches of the Amazon River in South America. It has a mixed diet and likes neutral or slightly acidic water. It can grow healthily when the water temperature is between 22-27 ℃. Because it is very territorial and large, it is not mixed with other fish.
