The active exploration of the underwater world started relatively recently — in the middle of the last century. For this purpose it was necessary to invent the sonar, scuba, submersibles… How many surprises were in the depths of the sea! The diversity of life forms is staggering. Before you ten most charming, strange, scary and rare fish, which were found to mankind.
Hairy monkfish. Opened in 1930. Very strange and scary fish that live deep at the bottom, where there is no sunlight — 1 km and deeper. To lure the inhabitants of the deep sea uses a special glowing growth on the forehead, around the characteristic detachment udenstvertne. Due to the special metabolism and extremely sharp teeth he can eat everything that comes, even if the victim is at times more and is a predator. Propagated by no less strange than it looks and feeds — due to the extremely harsh conditions and the rarity of the fish, male (ten times smaller females) is attached to the flesh of his lady and all the necessary transfers through the blood.
Plasence. Opened in 1884. These sharks are superficially much more like a strange sea snake or eel than his closest relatives. The frill-neck shark Gill openings, of which there are six on each side, covered with skin folds. Along with the shark-brownie is one of the rarest sharks on the planet. Known no more than one hundred ekzemplyarov fish. They studied very poorly. Continue reading
Sea of the Pacific ocean. The waters of the sea of Okhotsk. The strategic importance of the Black sea. Closed in the shores of a large natural pond. The largest lake in Europe. The largest river of the East European plain. Caspian lake is the largest in the world.
Key features of the Black sea: the salinity of the water, the annual course of temperature, depth. The concept of the geological history of the Black sea, the vertical temperature distribution in the Black sea. The proliferation of different departments of tertiary sediments on the coasts.
Geographical position and features of the structure of the Black world. Average monthly temperatures in the Black sea at the surface. Two layers of water with different physical properties, their distinctive features. Causes of hydrogen sulfide in the depths of the sea.
The main geographical features of the Caspian sea: hydrological characteristics, hydrochemical conditions, seismic situation. Economic use of marine resources. The need for urgent measures to improve the environmental situation.
Geographical and Maritime characteristics of the Atlantic ocean, its role in modern international cargo and passenger transportation. The influence of Atlantic water on the flora and fauna of the Northern seas. Characteristics of the main Straits of the Atlantic ocean. Continue reading