Nowadays, the most common thing to see in the aquarium market is the traffic light fish, because it is too cheap, one yuan a piece, and it can be seen everywhere. do you know? The traffic light fish was once a local tyrant ornamental fish. After it was discovered by ornamental fish collectors in 1936, it was sold for a high price. In the United States, it can be sold for 100 US dollars a pair.

Because there is no breeding technology, the traffic light fish has always been imported, so its price has been limited for a period of time , was carried very high. Later, Nobuji Makino, director of the Japan Tropical Fish Research Institute, mastered the technology of breeding traffic light fish, so that the price plummeted and entered the homes of ordinary people.

Traffic fish likes weakly acidic soft water, the pH value is between 5.0 and 7.0, and the suitable water temperature is between 20°C and 26°C. , The common lampfish feed on the market is also very enjoyable to eat.