Pond fish farming. Species of fish
In home waters well bred carp, crucian carp, tench, white Amur, silver carp, pike, Zander. With low-value, weed fishes in waters are able to dwell in bleak, perch, gudgeon, roach and loaches. Requirements for the environmental conditions the fish are divided into 2 types: thermophilic and Holodnaya.
Thermophilic (carp) nice grow, develop and prefer stagnant water, which heated well, with a moderately developed in them by aquatic vegetation. They breed in the summer-autumn period of time. Limitat eggs on vegetation. Often by a number of days from the eggs emerge the larvae, which after become fry.
Cold-water fish demanding clean water with a high concentration of oxygen in it. Eggs lay fish, usually late in the fall on stony ground, where it develops for some months. In backyard pond, it is advisable to breed a number of fish species, increases the total output of fish products due to the different spectrum of power. Continue reading
Cupids . fish of the carp family. In Russia in the ponds dilute the white Amur (Ctenopharyngodon idella) . It feeds on plants. Promising for stocking drainage channels, inlets and other bodies of water overgrown quickly. In the fish farms also are working on growing black Cupid (Mylopharyngodon piceus) .
The length of the Amur river up to 120 cm, weight up to 32 kg.
White-eyed, Sopa (Abramis sapa)
White-eyed, Sopa (Abramis sapa) . fish of the carp family. It is found in the rivers flowing into the Black, Caspian and Aral sea as well as in the Volkhov river; small rivers and floodplain waters play. Flocks kept at a depth. Common names – klepac, Glazachev, lupari. Field values in Russia don’t have. Continue reading
Great white shark (Carcharodon carcharias) is one of the largest and most aggressive ocean predators. Back and sides of this fish are gray, brown or black, and the belly is white, why the shark got its name. The average size of the predator is 5-6 meters and weights from 600 to 3200 kg, although was able to measure specimen, the length of which reached 11 meters, but apparently this is not the limit. Instances that are less than four meters, has not yet reached puberty and are considered teenagers.
Scientists have found out an interesting fact: at the end of the tertiary period there existed a great white shark, measuring up to 30 m in length. In the mouth of such a giant could easily accommodate eight people, and if this type of has survived to the present day, the existence side by side wouldn’t do humanity any good. Continue reading