The unusual inhabitants of the deep sea
World Maritime day has been celebrated since 1978 in the last week of September. This international holiday was created to draw public attention to the problems of pollution of the…

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The black sea region
The black sea is an inland sea basin of the Atlantic ocean. Interestingly the origin of the name Black sea. Throughout its history it has changed names several times. The…

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Diet fish

The diet of any person, except, perhaps, strict vegetarians, is impossible without animal products. Along with meat, eggs, dairy products, fish is a major source of protein. It is believed that ideally, you want to alternate in the diet of fish and meat.

On its nutritional value fish almost indistinguishable from meat, and on the ease of learning the human body surpasses it. In fish muscle contains from 13 to 23% complete protein. The amount of fat varies widely, from 0.1 to 33%, depending on fish species and time of catch. Fish oil contains large amounts of vitamins A and D, additionally, in the muscular tissue of some fish species have b vitamins In fish contains from 1 to 5% minerals, which include potassium, iron, phosphorus. Marine fish are also rich in iodine, which is of great importance for the human body.

Different species have different palatability, bone structure, and different fat content, that makes their cooking. Continue reading

The study of the deep sea

More than 70 percent of the planet covered by water. Three-quarters of the oceans have a depth of over 800 meters. Here begins the realm of the infinite sea depths beyond our reach.

This unknown world is 90 percent of the habitable space of the planet. We know more about the surface of the moon than about the sea floor. In this eternal darkness, inhabited by strange life forms. Only a few decades ago it was thought that life at these depths is impossible, but today scientists believe that the first life appeared on the bottom of the ocean. Energy, resources, food and even the climate is influenced by oceans. There to decide the future of our planet?

Only with the help of latest technology it is possible to comprehend the mysteries of the deep sea. Deep research is long and expensive, so so slowly, the scientists shed light into the darkness. Costly expeditions to the most modern vessels ply the seas in search of answers. Continue reading

Do fish drink water?

Though marine fishes drink a lot of water, their freshwater relatives don’t drink nearly anything. The root of this difference lies in the needs of fish to maintain a normal balance of salt and water in the body.

The water in the ocean three times saltier than its own liquid environment living in the ocean fish. As a result of a natural process known as osmosis, water body sea fish rushes out through the skin and gills. To compensate the lost liquid, saltwater fish forced to consume large quantities of sea water.

The concentration of salt in the body of freshwater fish exceeds its content in the surrounding water, which is why freshwater fish do not drink, like a sea, and constantly absorb water through the skin. The excess liquid they secrete in copious urination. Continue reading

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Fish at the cottage – the technology of breeding
To perform in the country a pond is not difficult, it will take a few days, however, no underwater inhabitants of such a pond will be an unfinished project. Of…

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Top 10 Most dangerous and poisonous inhabitants of the seas and oceans
The ocean and its underwater world and attracts and frightens. It covers most of the Earth's surface. And in 2008, was determined the exact date of the celebration of world…

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