Treatment of aquarium fish

Symptoms: scales are sometimes swells, it forms a swelling, sometimes bleeding, is darkening of the gills. The behavior of the fish are restless.

Cause: the maximum allowable values of oxygen in the water, which in the blood vessels of fish, released in the form of bubbles and thereby clog blood vessels, protrudes under the skin in the form of bubbles.

The increase of oxygen in the water may occur when replacing the water, (not pooled water), if excessive evolution of oxygen by plants in photosynthesis.

Treatment: to create a blackout in the aquarium, turn off the compressor, to lower the oxygen content in the water by replacing the old pooled water.

Symptoms: fish are anxious, to swim at the water surface, Gill filaments pale and covered with mucus. With the lack of action, fish are dying.

Reason: exceeded the maximum allowable concentration of chlorine in the water, i.e. 0.05 mg/l or more.

Treatment: replace water with appropriate indicators for this type of fish.

If the fish have been caused by trauma, it is better to isolate the fish, so it didn’t bother the other fish. As a rule, injuries heal themselves. But if the injury is severe and healing is slow,then the wound should be treated with potassium permanganate and continue treatment bitsilinom.

Oddly enough, but the fish can easily catch a cold even in the summer, if the aquarium is placed on the window and at night the water temperature drops to 15 degrees or even lower.

Symptoms: the fish folds its fins, the gills darken and swell, kept closer to the surface of the water, moving as if swaying.

Treatment: the water temperature gradually raised to comfortable for that species of fish. Fast water heater is not valid, as the fish can get a shock and her condition is only going to get worse: disturbed coordination of movements and fish for a long time will experience a painful condition.


Symptoms: the fish is sedentary, not active, there is an increase in the anterior part of the abdomen, become infertile and die out.

Cause: as a result of obesity disturbed liver function, the metabolism. Usually obesity comes the fish when the aquarium is small and crowded, and the fish are fed monotonous, mostly dry food.

Treatment: obesity difficult is treatable, especially if irreversible changes in the liver. Fish dies.

Prevention: a large aquarium, feed the fish a variety of food, not to overfeed.


Symptoms: fish appears on the redness of an inflammatory nature, accompanied by edema. Fish sways, rubs sore place.

Reason: fish have appeared blood-sucking – argulus or fish louse. Copepods rounded shape. They are using a sucking proboscis make the wound in the fish and excreted by secret poison the fish.

Treatment: removal of the parasite from the body of the fish with tweezers. After removal, the wound treated with potassium permanganate.


The signs of the disease: in the area of the dorsal and caudal fins formed white spots that gradually increase. The fish is kept in the upper water layer. When failing, the fish dies.

The reason for the disease: a contagious disease and gets into the aquarium with infected fish and other items.

Treatment: complete disinfection of the aquarium and its inhabitants, including soil and other supplies. Treatment fish – levomicetinom.

Fish diseases

Symptoms: fish become inactive, thus it is possible to catch even by hand. Kept in the lower layers of the water bending down headfirst. On the gills are damaged in the form of a filamentary dark and grey stripes. The disease develops quickly. Fish may die within 3 days.

Cause: the contagious disease. Affects the gills of fish.

Treatment: Complete disinfection of the aquarium and its accessories. Fish treated with solutions of Ruonala and copper sulphate.

Inflammation of the gastrointestinal tract

The signs of the disease: anus become inflamed and red. Stands out blood and mucus. The stool becomes thin. There may be an increase in the abdomen.

Cause: inflammation of the gastrointestinal tract caused by poor quality food, monotonous diet. Or the constant feeding dry food.

Treatment: put the fish on a starvation diet. Few days (7 days) do not give food, and then begin to feed a variety of quality food.

Hexamita (Octoechos)

Hexamita truttae

Signs of disease: head, body formed ulcers-holes of which secretes mucus. As the duration of the disease ulcers increase. Anus becomes inflamed. The fish quickly loses weight, becomes very emaciated and eventually dies.

Causes: a contagious disease that affects the intestines, internal organs of the fish. The causative agent is introduced into the aquarium with food, water, soil and various other items.

Treatment: a mixture of solutions of eritrotsiklina – 50mg/l and griseofulvin is 10 mg/l. Fish placed in a separate vessel for 12 days. If the fish belongs to thermophilic species, placing it in a vessel with water temperature of 35 degrees for 2 days, you will deliver her from this disease. There are also other drugs for the treatment of this disease. Basically this treatment of gastrointestinal diseases of fish. After the end of treatment should be excluded from the diet of dry fish food and Tubifex.



Signs of disease on the fins, gills and body of fish appear, threadlike deposits – fungi that infect the gills, the body of the fish, the internal organs. If the fish is not treated, it will die.

Cause: the disease affects mostly fish with poor health or already suffering from.

Treatment to create, in the appropriate aquarium conditions for this species. In General the aquarium make the solution bicillin. The causative agent of ringworm is found in many aquariums, but if the fish is to keep them in good conditions and properly fed, they do not suffer this disease.

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