When goldfish are happy, they tend to swim quickly in the water, and sometimes they may jump up from the water. As a fish, its own emotions are not very rich, so the basis for judging their happiness is only relative to the discomfort, the general fish feel uncomfortable, there will be no vitality, feeding things do not eat, but also will lie at the bottom of the tank.
1, lying tank: goldfish if you feel uncomfortable, often lying on the bottom of the tank, or lying sideways. There are many reasons for it, may be stress reaction, may also be caused by illness, no matter what kind of situation, should be treated in time, pay attention to water change and medication, in order to make it return to normal as soon as possible.
2, no appetite: goldfish generally feel uncomfortable, appetite will be reduced, feeding what do not eat. In addition to illness, there is also a possibility that the temperature is too low, so we need to pay attention to warming up, but also to treat it, so that the fish will begin to eat.
3. Floating head: The floating head is usually caused by the lack of oxygen in the fish. The fish will breathe on the surface of the water. At this time, it is necessary to give oxygen in time. Otherwise, it is easy to cause the death of the fish. Generally, oxygen should be used for 2-4 hours a day, and if it is summer or rainy days, it should be extended to 4-6 hours.
