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.
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
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. Vibrionaceae. Hits all the main types of pond fish (carp, white Amur, carp, crucian carp). The factors contributing to the development of fish are the sharp increase in water temperature, low fatness of the fish, dense planting, poor feeding, high content of organic matter, the trauma to the fish.
Aeromonosis is acute, subacute and chronic. The acute form is observed in the spring and summer and can be accompanied by mass death of fish (70%). The disease manifests itself in the form of serous-hemorrhagic inflammation of the skin and is characterized by edema, ekzoftalm, enlarged abdomen, aresenium scales. At autopsy in the abdominal cavity detect the exudates (clear, yellowish or bloody fluid), peritonitis, hemorrhagic inflammation of the intestines, degeneration of the internal organs (increase, discoloration, foci of necrosis). Continue reading
One decade is of interest to aquarists is one of the most popular groups of fishes viviparous toothcarps of the family poeciliidae.
This is the most diverse group, from all available, including a huge number of species, differing in their simplicity to the content, bright color, peculiar behavior, and, of course the birth.
All this makes the fish attractive and interesting. They are recommended to beginners to gain skills in keeping and breeding. Viviparous fish in natural conditions there are about 200 species that live in both fresh and brackish water in Central and South America.
Some species are found in the Asian part of the Eurasian continent. Today, there are and plenty of types, obtained by artificial selection. The most popular among aquarists are considered as Swordtails, Guppies and Mollies. Continue reading