"Barbs and the majority of tetras can not be held in a betta tank," she said. When it comes to preventing fin rot, Dr. Ireifej said that the best way to do this is to maintain good water quality ...

Owners should also watch out for infection and diseases such as fin rot, dropsy, and swim bladder disease. While Betta fish can ... that makes the fish look like it’s covered in gold dust.

“Barbs and the majority of tetras can not be held in a betta tank,” she said. When it comes to preventing fin rot, Dr. Ireifej said that the best way to do this is to maintain good water ...