Category: Bacterial fish diseases

There are four categories of diseases: Bacterial Infections, Fungal Infections, and External and Internal Parasites.

Bacterial Infections

These are characterized by decrease in activity, color loss, bloated body, sores, abscesses, red streaks, skin inflammation, difficulty in breathing, and bulging eyes.

Fungal Infections

These can be developed as a result of an existing illness. When a fish is suffering from a fungal infection, it is darting here and there, scratching, and there is a presence of cotton-like tufts on skin, mouth, or eyes.

Parasitic Infections

Fishes that have been infested with parasites may exhibit inactivity, lack of appetite, too much film or mucus on the body, spots or worms, fast breathing, and scratching.

Before you use any medication on your tank, see to it that you have properly diagnosed your fishes’ disease and found the root cause of the problem. Below are some of the fish diseases, symptoms, and treatments.


True Worm Parasite Fish Diseases

Flukes (Skin and Gills) Flukes isn’t the name of a single disease, rather the name of a number of parasites. Commonly called Gill (Dactylogyrus spp.) or Skin Flukes (Gyrodactylus spp.), they’re common in freshwater tropical...


Viral Infections (Lymphocystis)

This common viral infection affects fresh and saltwater fish’s skin and fins. Not serious, per say, as it rarely ends in death; it only disfigures fish. Physical Signs Growths on the skin or fins (look similar to cauliflowers) Behavioral...


Neon Tetra Disease

This can infect a wide variety of different Tetra species. It’s a set of bacterial infections caused by a parasite which enters the fish, invading the stomach and Neon Tetra Disease tract – consuming...


Velvet (Gold Rust Disease)

Also known as ‘Rust’, it’s a common disease in aquarium fish, and has the potential to kill every inhabitant in your tank. Caused by a species called Oödinium, it’ll find and attach itself to your...


Swim Bladder Disease

Rather than a single disease, the name refers to issues which affect your fish’s swim bladder. It can strike the majority of species (most common in Goldfish and Betta). Your fish’s swim bladder won’t...

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