1, reason: They live need oxygen, if the density that breed is too big, oxygen is short of easily. Moreover, if the space of the fish tank is relatively small, there is not much oxygen, and goldfish is a kind of fish with high oxygen consumption, there will be a phenomenon of tumbling.
2. Treatment: oxygenate immediately to increase the oxygen in the water, and replace the big fish tank in time.
1, reason: When new fish enters crock, appear very easily this kind of circumstance. They are more alert to the things around them, lack a sense of security, and will protect themselves and confuse each other by turning over their bellies.
2. Treatment: Don't worry too much at this time, just wait patiently for it to adapt to the environment.
. 1. The reason is that the cold water is directly poured into the fish tank when the new water is changed, and the water temperature is not stabilized when the season changes, resulting in a sudden change in the water temperature. If the water temperature is too low, it will stimulate the goldfish and cause them to turn over.
2. Treatment method: When the water temperature is low, open the heating rod immediately, or cover a thermal insulation film outside the fish tank to increase the temperature.
1, reason: poor water quality, feeding food is too inferior, causing enteritis disease, goldfish will appear the phenomenon of tummy.
2. Treatment method: Raise the water temperature to 3 ℃, soak it in 2% salt, and then make a soft bracket to fix the goldfish. After a few hours of immobilization, it was almost able to swim freely.