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Amber1273
Hello everyone! The situation is as follows: Odonus niger was purchased last October without going through quarantine. Throughout this time, it was active and eating well and diversely three times a day, until recently. A week ago, I noticed that it rarely swims out into open water, spending more time in its crevice, only coming out for feeding and even then sluggishly. For the last three days, it hasn't come out even for food, and this morning it looks very sad, lying on its side and breathing heavily. I tried to get it out, but it escaped into another burrow. The Zebrasoma and Hepatus constantly chase it and even try to get it out of the burrow. There are no visible injuries or spots on the fish. What could have caused this condition?