Welcome to Fish-Disease.net, the Internet's largest database for fish and aquatic diseases. We have information on nearly 70 different diseases and over 200 different Medications, their active ingredients, their purpose, and how to administer them. We also have an interactive Disease Diagnostic Center designed to help you determine the illness affecting your fish. Once you know what the illness is, you will receive instructions on how to treat the fish. Or if you already know which illness has befallen your aquarium, you can search our open database of Fish Diseases. If you still find yourself in need of further assistance, try our Message Board.