Tag: koi fish diseases

What causes dropsy in Koi?

Dropsy in koi is not a disease, but rather the result of some other cause.

The Aeromonas or Pseudomonas bacterium is usually the culprit behind a bloated koi with bacterial dropsy.

Parasites penetrate and damage the skin of a fish then the bacterial infection sets in.

How do you stop dropsy?

Isolate the sick goldfish. Dropsy—and its underlying causes—are not contagious. …
Fill the tank with fresh water. The water should start out at the same temperature as the water in the goldfish’s original tank. …
Slowly raise the water temperature. …
Add Epsom salt. …
Change the water frequently.