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Pike perch (Lucioperca)
Description
Pike perch is a freshwater representative of the perch family with a long pointed head and two dorsal fins on a strongly elongated body. A distinctive feature of this predatory fish is the large fang-like teeth on the jaws. As a rule, pike perch has a greenish-gray color, its belly is whitish-silver, brownish-gray spots are visible on the sides, forming 8-10 transverse stripes. The dorsal and caudal fins may have black dots, the rest of the fins are pale yellow. Pike perch grows very quickly, gaining up to 1 kg in weight per year. According to some reports, there are fish more than a meter long and weighing up to 10-15 kg, the record weight of pike perch is 20 kg. Prefers waters rich in oxygen. During spawning, pike perch approaches the shores overgrown with grass, laying eggs on plants, sand and stones. The male guards the clutch.
The area of distribution of pike perch is quite wide. These are fresh water bodies of Eastern Europe and Asia, rivers of the basins of the Azov, Black and Baltic Seas, the Caspian Sea, the Aral Sea, Issyk-Kul and Balkhash lakes. Two species are found in Russian rivers and lakes - common pike perch and Volga pike perch (Bersh). On the Don and the coast of the Sea of \u200b\u200bAzov, locals call pike perch - ships. In search of clean and rich in food reservoirs, pike perch can often change their "registration" frequently. Prefers places where the bottom is clayey or sandy, not silted.
Pike perch (Lucioperca)
Crucian carp ( Carassius ) is a widespread genus of fish that belongs to the class of leche-finned fish, the cyprinoid order, the cyprinid family. - Crucian carp ( Carassius ) is a widespread genus of fish that belongs to the class of leche-finned fish, the cyprinoid order, the cyprinid family.
- The name of this fish migrated to the Russian language as an adapted transliteration of the old German word "karas", which goes back to the Latin designation of the genus, the etymology of which is unknown.
- Crucian - a description of the appearance, structure, characteristics and photos
- The body shape of the crucian carp is oblong or slightly rounded, the body of the fish is moderately flattened laterally and covered with large, smooth to the touch scales. The color of crucian carp, depending on the species, can take on various shades of silver or gold. The back of the fish is quite thick, with a high dorsal fin. The length of the crucian can reach 50-60 cm, and the weight of the fish can be more than 5 kilograms. The head of a small fish with small eyes and a mouth in which the pharyngeal teeth are arranged in one row. A notable feature is the presence of spiny serrated rays in the dorsal and anal fins.
- Life expectancy depends on the type of fish. The common crucian lives for more than 12 years. Silver carp lives 8-9 years, but there are individuals who live up to 12 years.
Crucian carp
Crucian carp
Silver carp - Silver carp - or silver carp - is a large fish of the carp family with silvery scales. It happens in length up to 60 centimeters, and in weight about 20-30 kilograms. China is considered to be the birthplace of silver carp. The main area of distribution of this fish is the Amur basin, which includes such rivers as the Sungari, Ussuri, and Lake Khanka. In the 1960s, the silver carp was artificially relocated to freshwater reservoirs located on the territory of the USSR. At the moment, quite large populations of silver carp can be found in the Dniester, Kuban, Terek, Dnieper, Volga, Prut, Lake Balkhash, the Aral Sea and the Kakhovka Reservoir. Silver carp meat is excellent for diet food. It contains few calories, is well digested and absorbed by the body.
- In diseases of the cardiovascular system, it is very useful to include silver carp meat in your diet. Thanks to its beneficial properties, cholesterol in the blood is lowered, blood clots are prevented, hemoglobin synthesis is increased, the presence of sugar is reduced and blood pressure is normalized.
Silver carp
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