As they say fish? Questions and answers on physics
Who? What? Where? How? Where? When? What? Why? What? How much? "Yes" or "no"? MUTE AS A FISH? Physics note. Fish extract sounds when the friction of the Gill plates.…

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The overflow system for the marine aquarium T-004
Overflow system for a saltwater aquarium is required for circulation of water between the aquarium and sump (technical capacity for filtration and the maintenance of regenerative processes of water circulated…

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creatures

Deadly animals

6 places to practice extreme sports, where

is possible to obtain from local inhabitants

The stolen money and the upset stomach is not the only danger that you may encounter, going in search of adventure in an alien region or country. Today we tell about the amazing inhabitants of our planet who don’t care that you’re on vacation and arrived to seek adventure. In our material 6 popular regions to practice extreme sports and activities, and those who in these places can be a real threat to the health and human life.

Silent abyss

Five main dangers that lurk in the depths of the seas and oceans

Most of these creatures trying to interfere with Russian tourists and especially not considering you as a food source, but if successful, the case could have hurt you or eat, and later to declare that it was self-defense. So, be ready with the voice of Nikolay Drozdov, found most interesting in our opinion animals, insects and inhabitants of the seas, to which it is better not to meddle with the request for photos “for memory”. Continue reading

Academic – aquarium fish and plants

Types of terrariums

And quarium is a world with its own laws, its people, its landscape. It can be sea and river, it can be populated with exotic fish and a strange shrimp, it can doze sunken Galleons and the lure of the mysterious caves. The aquarium is an entire ecosystem, the knowledge which is infinite, the study of the universe.

Challenging the laws of life behind the glass walls of the aquarium can change depending on what part of the world brought your Pets, which plants planted in the aquarium, which matched the landscape. Some fish species can’t get along among themselves, a difficult combination of conditions, suitable for fish and shrimp. It is not always possible to combine the desirable flora of the aquarium and its population – for example, some plants and fish need water of different hardness, some predators may nibble plants… a Balanced ecosystem – a clear, thoughtful mechanism, and it is not so easy to create!

And the design of the aquarium has its own rules. The background it would look better this or that type of fish? How to design harmonious aquarium? How to combine colors and shades the soil, reefs, plants, fish? Much of the complexity of creating the perfect world! Continue reading

Dangerous predators such as sharks

The shark is cruel and ruthless hunter, she attributed various unimaginable properties. The shark is one of the main characters of myths and legends of the peoples inhabiting the Polynesian Islands and the Hawaiian archipelago…

But with time and the development of technological advances, the sharks became the hunted. A prerequisite for this is that the shark fin soup and the liver is attributed to the properties of a panacea. Plus, a man takes revenge for the fact that some sharks are man-eaters.

The shark is a collective name. There is a white shark, blue, tiger, cat, soup, mackerel, shark-Fox, nurse shark, hammerhead shark. Scientists consider 350 species of these fish. And only 27 of them are accused of attacks on humans. And a few that occur only once.

Classification of sharks

Sharks belong to the superorder of cartilaginous fish that includes eight teams, twenty families and about 350 species. Continue reading