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From Itch to Fin Rot: Common Diseases of Giant Gourami


Description: type of giant gourami fish disease is similar to other tropical fish. Here is what to know.


Giant gourami is a resilient tropical fish that can handle environmental changes. However, there is the type of giant gourami fish disease that can attack them in captivity. Gourami diseases are commonly found in other tropical fish, and the treatments are similar.


Here are several common diseases found in giant gourami:


  1. White spot disease

Also known as “ich,” the white spot is a disease that causes irritations and behavior changes. The culprit is protozoa called Ichthyophthirius multifiliis, which swim freely and infect fish. Their life cycle happens in the fish’s body and causes symptoms such as irritation marks, white spots, lack of appetite, and the tendency to swim at the bottom.


You must separate the infected fish and treat it in a different tank. Pour 30 mg of hydrochloride or quinine sulfate per one liter of water to the tank. It will kill the swimming parasites. Raise the water temperature a little to make the treatment more effective.


  1. Flukes disease

Flukes are flatworms that become parasites for giant and smaller gourami alike. They cause symptoms such as eyespots, white spots on skin and gills, drooping fins, paler body, hollow belly, and lethargic movements. If left untreated, this disease can destroy gills and kill the fish.


To treat it, move the infected fish and destroy them. Soak the rest of the fish in the different tank and pour potassium permanganate into the water (10 mg per liter of water). Let them soak in the solution for 10 minutes.


  1. Fin and tail rot

Fin and tail rot is a type of bacterial infection that causes symptoms such as frayed fins, cloudy eyes, and skin ulcers. The initial symptoms are faded colors on the fins and/or tail, followed by bloody edges. If left untreated, the fish can lose their fins and tails, which slowly disintegrate.


You can treat the water with 20 to 30 mg of antibiotic per liter of water. You can also mix one percent of antibiotics with the usual food pellets. Don’t forget to check the water condition and fix everything that is below the ideal standard.


  1. Nematoda disease

Nematoda disease is caused by threadworms, which enter the fish’s body and live in the digestive canal. This disease does not cause serious conditions if in a mild level, but sometimes, you will see small worms hanging from the fish’s anus. If left untreated, the worms can multiply and cause hollowed belly, poor digestion, and lethargy.


To treat it, you can use parachlorometaxylenol. Use 10 ml of this substance for every liter of water. Mix it with the regular pellets too.


Knowing the common type of giant gourami fish disease will help you detect the symptoms and treat your fish accordingly.


References: information/Diseases.htm