Is the black comet fish a feng shui fish?

No, according to relevant public information, Feng Shui fish include blood parrot, goldfish and koi fish. Black herring is not among them, so black herring is not a feng shui fish. Black herring is a grass carp, which is sensitive to the temperature difference between water and temperature. When the temperature suddenly drops above 4 degrees, it is the easiest to get water mold. The water temperature is controlled between 25 and 27 degrees, which is most suitable for their growth.