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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BIO international, independent, portal
Among infectious diseases most common diseases of bacterial origin: aeromonosis and Pseudomonas. Aeromonosis.The causative agent is aeromonad – motile gram-negative bacteria p. Aeromonas (A. hydrophila, A. sobria) related to SEM.…

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reach

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

Red sea

Red sea – an inland sea of the Indian ocean situated between the Arabian Peninsula and Africa. For the inner sea depth here is very high – more than 3000 meters, as this sea lies in a tectonic break. The Red sea is not no river flows (around deserts), and therefore the water is exceptionally clean.

Off the coast of Egypt water temperature even in winter does not fall below +20 degrees, and in summer rises to +27. Due to the heat evaporates much water, causing the salinity of the red sea reaches 38-42 grams of salts per liter.

In this sea are ideal conditions for underwater flora and fauna. There are about a thousand species of fish, including endemic species, and about 150 species of corals. The coral reef extends directly along the shore, and near them go to schools of fish of most unimaginable colors and shapes.

In the Northern hemisphere there’s no better scuba diving than the coast of Hurghada, Safaga, El Gouna, Sharm El Sheikh, Ein Sukhna, Marsa El Alam. Diving Safari – long trips on boats and yachts in the southern and Northern areas of the red sea. The term “Safari” means a cruise ship with multiple dives in the most interesting points of the sea’s many Islands, atolls, coral reefs and sunken ships. Continue reading

Top 10 biggest freshwater fish in the world

Once in the oceans and seas were discovered, big fish, people began to fear them. Everyone was afraid of how large freshwater inhabitants satisfy their hunger. After all, the larger kind of fish, the more food is necessary for nutrition. Therefore, to meet the needs of his growing organism in food, freshwater giants begin to eat their smaller relatives of various kinds. Usually fish are classified according to such characteristics as gender, species, etc. We tried to do it on the basis of their size. And here please find a list of the top 10 biggest freshwater fish in the world .

Trout — the big fish of the genus salmon, so it is often referred to as the “Russian salmon”. Its habitat are the major rivers and lakes of Siberia, the Far East and Altai. The predator is able to reach 1 m or more in length and up to 55 to 60 kg in weight. This species is famous for the aggressive and ruthless nature. It is believed that the trout are able to feed their own calves. For this freshwater species there are no restrictions in food. Russian salmon eats literally everything that comes his way.

Catfish — the largest freshwater fish accesata. Inhabits lakes, rivers of the European part of Russia. as well as in Europe and the Aral sea basin. Continue reading