? Goldfish sleep at night to turn off the light, first of all, goldfish's work and rest time and human beings are the same, are resting at night. Secondly, turning on the lights is to enhance the ornamental, and turning off the lights at night can also save resources, so when we rest, we also need to let the goldfish rest. If the fish tank light has been turned on, the goldfish will not be able to maintain a good work and rest schedule, for a long time, there will be mental depression, loss of appetite, decreased resistance and other problems, some of the poor physique, there may be eye loss. If goldfish and nocturnal fish are mixed together, a low-wattage nightlight can be installed in the fish tank, which will not affect the rest of goldfish, nor delay the activities of nocturnal fish. When to
to raise goldfish? Goldfish can turn on the light during the day, because goldfish need the right amount of light to keep the color bright, if there is no light, they can not synthesize some vitamins and trace elements, so they still need to turn on the light properly during the day. If the fish tank can receive sunlight and the light time can exceed 4 hours, the breeder does not need to turn on the light. Because the effect of sunlight on goldfish is better, it can enhance their resistance and help the fish tank build a better ecosystem.