Jellyfish immobilize or even kill their prey (small planktonic animals, fish larvae) with the help of special stinging cells: in them is hidden a capsule of poison and United with it, sharp and jagged spear, rolled into a tight spring. The spring unbends, and poisoned spear pierces the victim’s body when she touches the sensitive hairs on the surface of the stinging cells – a kind of trigger, or the trigger of this weapon. In the victim’s body of a hollow sharp tip of the spear breaks off, and from it, as from the tube, poured a paralyzing poison. A stinging cell is a disposable weapon, once fired, it bursts and dies.
Planktonic crustaceans sufficient one blow poisonous Darts jellyfish or sea anemones to stop flutter. Now imagine how sensitive hairs touch you, many times pull the trigger when touching jellyfish in the water! Continue reading
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The fishery of sturgeon in the Black sea, the procedure for feeding and rearing of juvenile fish in the Ukrainian part of the Danube. The problem of the loss of major spawning areas due to dam construction, the ways out of the situation. The bioengineering reproduction of sturgeon.
Fishing is one of the oldest human occupations. Basic information about fish. Sturgeon breeding. Fisheries reclamation. A reduction in the numbers of sturgeon. Sturgeon adaptation to modern conditions of existence. Continue reading
Freshwater fish – spearfishing
White Amur . or Cupid (lat. Ctenopharyngodon idella) is a fish of the family Cyprinidae, the only species of the genus Ctenopharyngodon. Body elongated, almost not compressed laterally, covered with dense scales. Length 120 cm, weight up to 32 kg carp — the inhabitant of the Amur river (in the middle and lower reaches), Ussuri, Sungari, lake Khanka lowland rivers of China, the Dnieper-bug estuary. White Amur fish exclusively herbivorous, eating water plants. In 60-ies of XX century, the carp has been acclimatized in the European part of the USSR. At the present time is the object of fishery in Russia, Ukraine, USA, Kazakhstan (ili river, lake Balkhash) and many European countries.
Brook trout (lat. Leuciscus cephalus) also growl, Golovin is a freshwater fish of the carp family, genus Eltsov. Reaches a length of 80 cm, weight up to 8 kg, Massive head slightly prelucrata from above, the forehead broad, scales rather large. Lateral line scales 44-46; there are 8-11 short and very rough stamens. Feeds on aerial insects, young crayfish, fish, frogs. Continue reading
Fishing is one of the most wonderful Hobbies. There can be nothing nicer than to relax away from the bustle of the city, and then to spend that time usefully. Unfortunately, not everyone can afford to escape from the captivity of the city and go fishing. Fortunately, at the present time this problem has the perfect solution. Videos about fishing provides the opportunity at any time to distract from daily vanity and to plunge into such a familiar and pleasant atmosphere. Videos about fishing – this is a unique opportunity to relax and to get new useful information. In the category fishing videos online going to the most useful, interesting, and sometimes funny videos clips, TV shows, programs and films about fishing, fish and fishermen.
Video fishing is the movie that tell of fishing in lakes and rivers. They are intended for people who want to learn how to fish from scratch. Continue reading
Many people know that fish is a useful product for the body, especially for men, but few can guess about the valuable properties of sea fish. Most people do not regard fish as a significant source of energy. Many just don’t like it, preferring the meat, than to sit and waste your time on cleaning the fish from the bones. But fish is a very valuable product! In order to equip the body with the necessary nutrients, fish should be consumed at least 1 time per week.
As a rule, in our country people prefer river fish. It makes and your ear, and chops, you can just fry. And fish people can eat only in the restaurant, at a party. Earlier it was difficult to find sea fish. If sold, under the counter and then for big money. And now, apparently, that there is no deficit. It can be purchased in various supermarkets, there are shops that are specialized only on fish, and choices galore. Continue reading