Carp — cultural form of carp, bred by man in the ponds, lakes, and reservoirs. Carp are bred mainly in southern and Central Russia, Ukraine, the North Caucasus. Some species of carp were able to acclimatize in the Northern areas (near Petersburg, in Novosibirsk oblast, Krasnoyarsk Krai).
Carp have unusually wide dorsal fin at the front is equipped with a sturdy saw-tooth serrated beam. The same beam and have found podrostkovogo fin.
Carp grows quickly. By the end of the first year of life its length for about 10 cm with a weight of 25-30 g. In favorable conditions, by the end of the second year it weighs 450-500 g, and in the third year (sexual maturity) it weighs 2 kg.
Carp is very similar to carp and also how he is unpretentious: content minor content of oxygen in the water, that is not very afraid of water pollution by sewage and, most importantly, unpretentious in nutrition. A juvenile common carp feeds on plankton and benthos. Adult carp — a real “pig” among fish: it feeds on worms, insect larvae and insects, various crustaceans, molluscs, therefore, will be very useful to feed him special fish food designed for him. Continue reading
They live in shallow water, so there is a good chance to step on it. The most dangerous type is considered Vadimony hedgehog hedgehog. Its needles are very long and thin. When injected into the human body they break down and cause inflammation, which in the untimely appeal to the doctor, can be life threatening.
Act as respiratory organs pileolus — another kind of sea urchin, which lives near the shore. It is red and dark gray. It needle a length of several centimeters. They are also very fragile, and if you step on a hedgehog, the needles remain in the body.
The most dangerous lionfish family Scorpaenidae. Them hard to miss in the water: they have very bright color, and their fins resemble feathers. They are very dangerous and for the people, and for other marine animals.
Contact with the impeller can cause death. It can be found near reefs. Therefore, swimming in these places, should be especially careful to try not to step on it and stay away from its poisonous needles. They cause intense pain, the venom can lead to respiratory arrest, and in place of injury appears a large tumor. Continue reading
Both children and adults it is known that fish products should be included in the diet. You cannot refute the fact that eating fish brings to the human body of useful trace elements. Fish contains a special amino acid – taurine. She has a very positive effect on the heart and nervous system. Fish proteins are easier to assimilate than those contained in the meat. B vitamins will support Your emotional stability will have a beneficial effect on the skin and nails, vitamin E will contribute to the deceleration of the aging process. That is why lovers of seafood have better health than meat eaters. Not only what farm is complete without fish and seafood.
Is it possible to have fish for nursing mothers and pregnant women? After research of the U.S. Agency for environmental protection, it became known that some part of the Earth population do not eat fish or want to limit its use. For example, pregnant women and children not to consume more than 400 grams of fish a week. And in such popular fish as salmon, American scientists have found toxic chemicals that cause the formation of cancerous tumors and only a few decades ago were used in industry. Continue reading