Aquarium fish
For the past few years it is fashionable to purchase in a flat or house Pets. It can be various hamsters, cats or dogs with parrots and Guinea pigs. The…

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Som is the most common freshwater fish
Family somovyh has more than 550 species of fish, widely distributed on all continents of the earth. A large part of somovyh inhabits deep, slow-flowing or stagnant waters. However, there…

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lives

The Sevastopol marine Aquarium dangerous to visitors

“The Museum building does not meet fire safety requirements. When carrying out scheduled inspections of MOE inspectors found that the emergency exits blocked by furniture, any premises not equipped with fire alarms, there were violations of the installation and operation of electrical equipment, many rooms are not provided with primary fire extinguishing means. In case of fire, visitors will be in danger.

Recall that these same violations claimed dozens of lives in 2009 in Russia on the fire in a nightclub “Lame horse”. Museum and nightclub are considered as objects with mass stay of people.

Most of the found violations of the staff of the Museum tried to explain the fact that the building of the aquarium more than 100 years, it is a monument of architecture, and changing it’s appearance they are not eligible. However, discrepancies are found for this explanation are not relevant. 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

Dangerous sea creatures

Actually sharks, except for a few species, and a total of more than 250, do not attack people. Just behave and other toothy predators of the sea-giants. But we are not talking about them.

Most dangerous marine animals found among small, often inconspicuous or, conversely, very bright and colorful marine life. These completely harmless looking creatures produce the strongest, sometimes deadly poisons. Scientists count about 500 species of poisonous fishes, 93 species of venomous coelenterates animals, 91 species of mollusks, and 26 species of echinoderms. But do not succumb to fear. Poisonous marine animals affect humans, usually in self-defence when he disturbed or careless movement will hurt them.

One of the most toxic and also the ugliest of marine animals – fish-stone. It is also called bugorkami or borodavchenko. This creature with a total length of 15-20 centimeters, with an ugly big head, small eyes and a large mouth with prominent lower jaw forward. Naked, without scales, brownish-brown, Continue reading