The colonization of an artificial lake with decorative fish

Construction technology

Many artificial lakes to commercial use zaryblyayut different species of fish, which, being part of the water community, maintain the pond in a full-fledged state.

Depending on the size of the artificial lake, and destination of fish in the pond (decorative feature for catching fish, etc.), the ratio of species group of fish at check-in may be different.

In General, all species of fish that inhabits the artificial lake, can be divided into 3 main groups:

1. Carp, crucian carp, silver carp, pike – can be up to 80% of the total number of fish in the pond. These fish are the main inhabitants of the large artificial lakes, particularly lakes open type, and is mostly meant for ponds in which the accent link is fishing.

2. Additional exotic fish to catch. The stocking of ponds can be more interesting and unusual fish species: white grass carp, whitefish, sturgeon and trout . These fish are mostly “flavor” that attracts fishermen. Some of them require every year to re-buy and run into the pond. Spend the winter in our latitudes, most of them can’t.

3. Decorative species of fish . Such fish inhabit mostly in closed lakes(lakes with film). The main function of this stocking is a decorative pond. Check-decorative fish pond is also possible for the purpose of commercial breeding (in this case followed hard and fast rules in respect of filtration equipment).

The most often populated by species of ornamental fish called KOI and goldfish comet .

Koi is a freshwater fish also known as living jewels are so unique that it is impossible to find two fish with the same pattern and color. Koi enjoy the interaction with people that makes them a favorite ornamental fish.

The birthplace of the koi China, later became widespread in Japan, its scientific name Cyprinus carpio. This fish can grow in length up to one meter and reach a weight of ten pounds, on average koi can live 25 to 35 years. With good care the life span can reach 100 years or more.

Ornamental goldfish Comet

Comet is a pond fish that has a long body, reaching up to 38 cm long and lush fins and tail.

The comet appeared as a result of painstaking selection by breeders of the United States of America. The comet is different from an ordinary goldfish a highly elongated tail fin, very hardy to temperature extremes over a wide range and can survive even at 2 °C.

In ponds of the comet feed at any depth, but they require more space than goldfish. Color comets varies from white to black, and from Golden to scarlet. Feeding high-protein food increases the manifestation in fish red color.

Stocking features decorative fish

It is necessary when stocking a pond to keep in mind that is of great importance, the density of fish. The difficulty of stocking of pond is that with increasing stocking density increases and the fish need oxygen, and accumulates a large amount of metabolic products. Therefore, the main task is to increase the flow of water and provide fish with the required amount of oxygen. The oxygen consumption of fish depends not only on its mass and temperature, but also on the age of the fish, feed composition, feeding intensity, species, time of day and activity of the fish. Oxygen in water is not only the breath of fish, but also participates in processes of oxidation of organic substances.

To maintain the water in artificial lakes with fish dekorativnoi necessary balance of oxygen and proper water purity, used by professional pond equipment: aeration installation and multipurpose filtration systems .

For large ponds . it is recommended to use flow-through modular and universal filtration plants:

Installation type Endlosbandfilter 800G/1200G, widely used in Western Europe for maintaining the cleanliness of water in ponds intended for breeding KOI.

To establish the biological balance of the water in the artificial lake, it is also necessary to monitor the presence of vegetation (planting to at least 1/3 of the surface of the pond water plants), as well as to monitor the amount of fish in the pond. Maximum number – 20 cm the total length of all fish per 1000 liters of water .

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