Find out common diseases of the fish Macropodus opercularis, the cause of those illnesses, and the right treatment for each of them. Don’t let the disease gets severe, and learn how to deal with it below. Macropodus opercularis, also known as the Paradise fish, is popular as a small, aggressive, and territorial species. Their vivid red and blue color and long fins make them loved by the fish hobbyists as well. In the wild, this fish habitant rice paddies, ditches, ponds, and irrigational canals. Macropodus opercularis is one of the first ornamental fish exported to Europe in 1869 by a French soldier named Gerault. This species is known for being hardy, but it doesn’t mean that they are immune to disease. To learn more about diseases of the fish Macropodus opercularis, keep reading. Fin Rot Fin rot is one of the most common diseases among aquarium fish, though this infection is one of the most preventable. Fin rot is caused by Aeromonas, Pseudomonas, or Vibrio bacteria and is usual...