The most common diseases of fish contained in the aquarium

If you have an aquarium with fish and are pleased to enjoy their unpretentiousness and undemanding care, we hurry to upset you. These underwater pets in the absence of proper nutrition and due to some other factors can get sick. In addition, the weakened animal organism is easily affected by, for example, some bacterial infection. Therefore, the diagnosis of fish diseases is often complicated. Therefore, it is important to give the animals proper attention, to examine their appearance, to observe changes in behavior, so that if there is a symptom of any illness in time, contact the veterinarian.

Diseases of fish. Ichthyophthirius

Symptoms of the disease: white cysts on the body of the fish, reaching a size of 1 mm. When the cysts form clusters, it seems as though the animal was sprinkled with sugar. Sick fish tends to scratch about any objects.

Causes: cysts are in fact nests of Protozoa parasite. They are present in almost every aquarium, but only the weakened organism is affected.

Diseases of fish. Pop-eye

Symptoms of the disease: bulging eyes unnaturally (fish-telescopes and the like do not belong here).

Causes: poor water quality, bacterial infection.

Diseases of aquarium fish: infections of fungal and bacterial species (fin rot, saprolegnia)

Symptoms of bacterial infections: first the fins and the tail of the fish look glued, and then a white coating appears on their surface. In the end, these parts of the body are simply destroyed, but with timely treatment can grow again.

Causes: pathogens (bacteria Pseudomonas, Aeromona, various mycobacteria). External factors - inaccurate handling of fish during transport, poor water quality, biting of fins by more aggressive individuals.

Symptoms of fungal infections: the body of the fish is covered with a kind of mold.

Causes: pathogens (Achlya, Saprolegnia, etc.), the controversy of which is always in the aquarium. However, healthy animals have immunity to fungi in the form of a protective layer of mucus. External factors that trigger the outbreak: physical damage to the body, poor water quality, stress, rotting in the aquarium organic.

Diseases of fish. Hexamytosis

Symptoms of the disease: small pits (grooves) on the body of the fish, especially in the head. Often, these sores are covered with mucus. With time, education increases, the fish dies. The most susceptible to the disease discus, gourami, cichlids, astronotus.

Causes: causative agent (bacterium Hexamita), which is present in the aquarium. External factors - malnutrition (in particular vitamin C deficiency), water quality.

Diseases of fish. Tuberculosis

Symptoms of the disease: exhaustion, bulging eyes, sores on the body.

Causes: causative agent (Nocardia, Mycobacterium), which is believed to enter the aquarium through feed, namely fodder fish, which sellers often keep in extremely poor conditions.

Diseases of fish. Parasites in the interior of the animal

Symptoms of the disease: bloating, difficulty swimming. Also sometimes parasites can be seen from the anus of the fish or even break through its body.

Causes: pathogen - various types of worms-parasites (nematodes). As a rule, in the body cavity parasites are found in newly imported (tropical) aquarium fish.

Diseases of fish. Velvet desease

Symptoms of the disease: yellowish-gray points on the body, as if the fish is covered with golden dust. Sick individuals try to scratch themselves about anything in the aquarium, as well as frequent breathing of the gills. Sometimes the skin comes off with fish strips.

Causes: pathogen (Oodinium parasite).

Diseases of fish. Dropsy

Symptoms of the disease: scales of fish standing on end, and she looks bloated.

Causes: bacteria, metabolic disorders, poor living conditions.