Diseases of aquarium fishes – very widespread phenomenon. Water inhabitants most often perish because of the wrong leaving. There can be less often hereditary diseases which in the majority a case are incurable. Aquarium fishes not only because of infections, but also because of bad water quality blacken.
Cold at small fishes
It can strange sound, but aquarium fishes are inclined to catarrhal diseases too. There is it, as a rule, because of too low water temperature. The put fins and black spots on gills are considered as the first symptoms of cold.
The only way of treatment in this case is ensuring the necessary temperature which has to be not less than 23 wasps. Pay attention that sharply it is not recommended to change water. Temperature should be increased only gradually.
In certain cases small fishes blacken because of genetic predisposition. If the behavior does not change, the appetite does not vanish, and the small fish is active and mobile, then there are no reasons for concern.
Brankhiomikoz at small fishesBrankhiomikoz – very dangerous disease for aquarium fishes. The water inhabitant can die only within several days. The main symptoms of such infection are black strips on a body and in the head. The small fish at the same time becomes very sluggish and swims a tail up. An impression is externally made that its case is altered by the head. The sick small fish should be replaced from the neighbors. Brankhiomikoz is an infectious disease which can ruin all inhabitants of an aquarium for short term. Copper sulfate solution which is added to water by the minimum dosages is considered an optimum way of treatment.
If small fishes regularly overeat, then their blackening can become a consequence of it. The sluggish behavior of water inhabitants and the blown-up tummies is considered the main sign of a reforage.
Plavnikovy decayThe disease which is called plavnikovy decay is the most common cause of emergence of black spots on aquarium fishes. Darkening of a body of a small fish begins with tips of fins and a tail. There is a lot of reasons of plavnikovy decay. The most widespread of them are inadequate conditions of keeping, too large number of fishes in an aquarium, rare cleaning of an aquarium, strong pollution of water. For prevention of plavnikovy decay it is necessary to watch a condition of an aquarium regularly. The forage remains should not accumulate at the bottom at all. Otherwise, water will become unsuitable for dwelling and will make pernicious impact on small fishes.
Other reasons of blackening of small fishesIn rare instances the kutikala larva can become the reason of blackening of small fishes. Infection is possible only if you, for example, placed to aquarium fishes of the representative of the river habitat. Pay attention that at some small fishes the black spots appear gradually, but it is not a disease. By a striking example it is possible to call the sword-bearer. Young small fishes differ in lighter coloring. Gradually the body blackens and multi-colored points appear.