Sudak is the largest representative of the Perch family. It has an elongated squamous body, fanged mouth with small teeth. Its back is greenish-gray, on it there are sharp spikes and two large wide fins, one of which has dark spots, dark vertical stripes on its sides, and ventral and anal fins are light yellow. Gill covers without or partially covered with scales. Zander lives in many rivers and lakes, reservoirs, and even in some clean sandy deep quarries of the basins of the Baltic, Black, Azov and Caspian seas. It is also universe in the waters of the Moscow region.
This fish prefers running clean water, rich in oxygen, keeps in places free of vegetation, most often near the bottom, in pits with flooded trees or snag, stones or boulders, on steep banks, near destroyed river structures. Spawns in May – early June. Continue reading
Sakhalin Oblast is rich in fish; taimen is also found here. His biology has been little studied. This predator leads a secretive lifestyle. It is found in almost all water bodies of Sakhalin and the Kuril Islands as well as southern Primorye, for some time lives in coastal sea waters, and on Lake Tunaicha – almost all year round. Already 15-30 centimeters — two to four years old — begin to eat fish (ten-pointed sticklebacks, larvae of lampreys and char, young Pacific salmon), however, crustaceans still make up the majority of the ration of taimen of this size. And even the food of taimen 31-50 cm long is only half composed of fish. For specimens with a length of more than 50 cm, it becomes the main feed, and its weight in their diet is already 75 percent. But we must also bear in mind that many mice-like rodents and any other living creatures fall into the jaws of predators. Continue reading
The ide belongs to the Karpov family. In Russia, it is distributed mainly in the middle lane of the European part and in Siberia right up to the Kolyma. It inhabits the tributaries of rivers, streams, streams, eriks, flowing lakes and even deep streams.
Slow-moving ides have almost the entire body of golden color. The average weight of the fish is 1.5-2 kg, but there are specimens and 3-4 times larger. The ide is especially beautiful in the spring in a wedding dress, cast with a metallic sheen with gold highlights.
It becomes sexually mature in 4-5 years, as a rule, it depends on the characteristics of the reservoir and its food supply. Spawns rather early, right after the pike, at a water temperature of 6-8 °. According to popular beliefs, spawning begins at a time when the first leaves bloom on a birch. Continue reading