Sturgeon are a family of valuable commercial fish, include such species: sturgeon, Beluga, sturgeon, barbel, etc.
There are two ways of cultivation of sturgeon fish: extensive and intensive. If the extensive method of breeding in natural water produce larvae that have already come to the active power. For the application of the intensive method is needed in the pond to put the grown the fry, their weight is 2-3 grams. They are more protected from bugs, predators and the extent of their survival is higher than in the larvae.
Larvae of sturgeons receive when conducting natural spawning: ponds with a depth of 35-50 cm, in the spring fill with water and run back sturgeon females and males. Their number depends on the size of the reservoir and characteristics of the sturgeon species.
At the end of the spawning period females and males removed from the reservoir, and the larvae, after their transition to active feeding, or placed in natural rearing ponds. Continue reading
What is the aquarium? If someone, without thinking, decides that it is a vessel filled with water in which they live beautiful exotic fishes floating on a background of bizarre vegetation, it is of course wrong.
Aquarium (from the Latin words aqua — water) is first of all a small copy of any private water body (pond, lake) that is designed for keeping and breeding of aquatic animals and plants and observing them life and development, and the life in it flows in the same biological laws. So the classes of the aquarium is the cognition of life interesting and varied species of fish and aquatic plants, a window to the natural world.
The life of nature is an amazing, challenging, interesting and varied in all its manifestations. Love and interest in nature makes us play a “piece of nature” in a small vessel — the aquarium, delivering great aesthetic pleasure. Continue reading