Live-bearing aquarium fish
To viviparous fish include a large group of fish that live in fresh and salted waters of South America. The main difference between these fish from the others because the…

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Animals and marine life of Cyprus
Mouflon - wild sheep is sufficient large animal and is found mainly in the mountains Cyprus has a rich flora and marine world. In the mountains and on the plains…

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conditions

Sharks of the Mediterranean sea

Sharks of the Mediterranean sea comprise about 47 species, 16 of them reach about three meters in length, and 15 species are considered potentially dangerous to humans. Among them are the white shark, considered the most dangerous of all. In other places, she usually eats everything what is on its way, but here she was acting towards people is very peaceful, preferring tuna.

Being an inland sea of the Atlantic ocean, the Mediterranean sea is distinguished by slow circulation of water masses and, consequently, slow the rate of exchange of waters of the Mediterranean sea with the Atlantic ocean, which makes a significant contribution to the maintenance of a constant temperature year-round. This circumstance creates ideal conditions for the existence of sharks. 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

Garden ornamental pond

Even it is surprising that our household plots and gardens, in the recent past, have been deprived of such a miracle, as an artificial pond. Quiet water surface, babbling brook, or, or rapid waterfall with a pearl spray – it always gives the garden a special flavor, fills it with sounds and a rainbow on a Sunny day. Any owner of a garden, with the help of modern materials, and with minimal effort and cost, to create any water.

In their household plots or private gardens, the owners prefer to make garden ponds . the shape and size of which depend on the means and style of landscape.

Today, there are several ways the device for a garden pond . Recently, ponds were built using monolithic materials, using, most often, concrete. But, the way the pond is not practical, and time-consuming. Deformation of concrete, and further leakage can occur due to specific climate conditions. On a monolithic device of a pond requires physical and financial costs, as in the beginning of construction and during operation and reconstruction of the reservoir. Continue reading