1, pencil fish can be mixed with small fish such as arowana, blue shark, map fish and eel. When polyculture, use 22-28 degrees weak acid soft water and feed some Daphnia, Haematococcus and pellet feed at the right time every day. If it is an adult fish, it can be raised with the same group of fish, or mixed with more than twice as many fish.

2, pencil fish, also known as first-line pencil fish. The longest fish body is 6.5 cm, showing a long spindle shape, and its body color is pale yellow. The suitable water temperature for phoenixes is 24~28℃. Soft water, like group activities, chase and play with each other, and stop when you are tired.