Sterlet – fish of family of sturgeons. It differs from other representatives of this sort in the size, a narrow nose, long bakhromisty short moustaches reaching a mouth, a two-separate lower lip and the adjoining side schitiks. Back color dark gray or grayish-brown, belly white. Usual weight and length of a trade sterlet are 0.5-2 kg and 30-65 cm, seldom 3-4 kg and 80-90 cm. Extreme life expectancy makes 26-27 years.
Instruction
1. If on your garden site there is a reservoir, then it is necessary to clean and put it in full order properly. For the lack of it it is possible to dig out independently. The size and depth will depend only on you. The ordinary pool also will be suitable for cultivation of a sterlet.
2. For convenience of cultivation of fish use special cages. It is impossible to forget that the sterlet concerns otkrytopuzyrny fishes and in the period of open water comes to a surface for swallowing a necessary portion of air. It will be most expedient to part it in open cages.
3. Fill a reservoir with ground or rain water. Oxygen content in it has to be not lower than 5-6 mg/l, and optimum temperature of 20-22 °C. Periodically water has to change, such procedure needs to be carried out within twenty five days.
4. Buy the bred whitebaits. It is necessary to buy them during the period from May to September. It is the best of all to make it in the special farms which are engaged in cultivation of these fishes. Such whitebaits will be most resistant to different types of intervention of the person in their life and are less subject to a stress.
5. Young osetrik it is recommended to feed several times a day with water fleas, larvae of various insects, small Crustacea, and then sinks. Crustacea make the main food and an adult sturgeon. You watch quantity of a forage, it should not be too much.
6. At change of fish to the zimovalny residence it is necessary to keep it several days in five-percent salty water. It is necessary to destroy all parasites who can get together with fish to a zimovalny reservoir.
7. In winter time at low temperatures the fish falls into hibernation. It should provide a condition of absolute rest as if she is awake, then will begin to spend forces and quickly to lose weight.