Goldfish – Telescope (moor Carassius auratus) is an ornamental aquarium fish of the Carp family (Cyprinidae). This fish is also called depakinom and a water dragon. The telescope is one of the forms of the goldfish (Carasius auratus), bred through long selection.
The fish – telescopes bulbous rounded body. Its height more than half length of body. The fish have lengthened (up to ¾ of body length) two-bladed tail fin hanging down. The fin on the back stands upright. All other fins – long veil. The name telescope fish was at its largest (about 2 cm), protruding (bulging) eyes. The diameter of the eyes of the instances that took in Shanghai, up to 5 cm Fish – telescopes differ in the length and shape of the fins, color, presence or absence of scales and many others. Telescopes with a tail fin similar to a skirt, usually called a skirt, but if the tail is in the shape of ribbons — strip telescopes. More widespread telescopes, whose velvet-black color of the body, beautiful elongated fins and a forked caudal fin. The height of the body of the fish is equal to ¾ of its length. The black body of the telescope is covered with scales, which is in straight rows.
Telescopes that have symmetrical black and white color are called pandas, but if the torso is painted white, and panicipant black — billed magpie. Distinguished several types of telescopes, depending on the size, shape, and directions of the axes of the eye. Your eyes basically are: disc, spherical, spherical, conical and cylindrical. The eyes should be symmetrical and the same size. The fish, in which the axis of the eye is directed upward, is called the heavenly eye or the stargazers. Such fish is a separate species. Stargazers have a small long forked tail, and lack of dorsal fin. Continue reading
The black sea the friendly sea, there is almost never found dangerous for animals. Those are just a few of the inhabitants of the Black sea. that can cause us trouble.
The history of the Black sea shows that man is much more dangerous for the sea and its inhabitants than they are for him
In Black sea there are two kinds of bet — the Scorpion Scorpaena notata noticeable, it is not more than 15 centimeters in length, and black sea Scorpion Scorpaena porcus — up to half — but such a big meet is deeper, farther from shore. The main difference between the black sea Scorpion fish — long, to fit the flaps, the supraorbital tentacles. The Scorpion fish these visible growths short.
The wounds from the spikes Scorpion fish cause burning pain, the injections is red and swollen, then malaise, fever, and your stay is for a day or two interrupted. If you have suffered from thorns ruff — contact your doctor. Wounds should be treated, as ordinary scratches. The main symptoms of poisoning with poison of sea perch — local inflammation (where pricked) and General allergic reaction. Therefore, the only tablets that can help are anti-Allergy (antihistamine) drugs — remember that you need to adhere strictly to the instructions for use of tablets, which apply to all of the drugs. Deaths from injections scorpene known. Accidentally on it too, no one comes and we suffer from its barbs curious divers and anglers, when you shoot a ruff with the hook or removed from the network. Incidentally, the marine fish is very tasty fish, just clean it carefully — the poison persists even Scorpion fish, polievka in the fridge. Continue reading
The technology of integrated fish farming and poultry
The production of fish in integration with breeding waterfowl and agricultural production in the greenhouse (Aquaponics) fish ponds favorable small-scale fish farming,as it reduces the cost of production of commodity fish, poultry, vegetables and herbs.
The best option of doing fish farming on private land (in small reservoirs) is the integration of fish farming with other agricultural production — crop and poultry farming. The most interesting such forms of combined farming, fish farming and waterfowl; fish and vegetables; fish and flowers.
The yield from 1 ha of pond in the climatic zone of the Riga region:
1. Duck meat 1.5 m 300pcs first batch of 300 PCs and second shipment total for the season 600 PCs ducks average weighed 2.5 kg. of Ducks grown for meat before the onset of juvenile moult in 60-70 days of age.
2. If instead of the ducks are geese, then the output of the goose meat will amount to 1.4 t, average linkage geese 4 kg.
3. Fish 1.8 t:
— Carp will receive 2800 PCs, average linkage 400, the total to 1.1 T.
— Silver carp – 2000 PCs, average sample of 350 g. total – 700 kg.
Harvesting fish in the pond with seines Continue reading