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The most dangerous creatures living in the seas and oceans.

Despite the fact that the man himself is a predator by nature,

in the ocean, there are many sea creatures

which pose a danger to humans

The most dangerous creatures pose a threat to humans ,

are Sharks.

Sharks still pretty much in the ocean, and some sharks pose a deadly risk to humans.

First place, the danger room one 1: are Sharks.

Piranha. In second place, and in South America and perhaps in the first place

piranhas pose a high risk to humans.

One piranha can bite and even maim people

A school of Piranha can devour everything that is alive, a dog, a cow, a man has fallen into the water.

In South America hang these warning signs. Continue reading

The threat of the black sea hydrobionts

Toxicity is a universal and widespread phenomenon in nature. Many inhabitants of the seas and oceans have become toxic in the process of their continuous development and adaptation to the environment. They use “toxic weapons” of diverse chemical composition. Among poisonous animals forms occur in almost all taxonomic groups.

Toxins entering the body (through a bite, a shot of the fins, eaten by fish), usually affect the Central and peripheral nervous system. In addition, the protein composition of toxins can cause severe allergic reactions.

The toxicity of poisons depends not only on kind of marine life, as well as its age and gender, conditions of growth and nutrition, time of year and habitat. Given the rapid development of toxic effects, in the treatment of poisoning poisons marine life are of great importance to measure the first self – help and mutual aid, as discussed below.

In the Black sea, in one of the most “poor” in species composition (after the Caspian and Azov) seas of our Planet, fortunately there is very little threat to humans aquatic organisms, and in this respect it can be stated that the black sea lucky divers. We have no deadly coelenterates (flowing down), such as a very poisonous jellyfish and hydroids. In the Black sea do not live dangerous sea urchins and stars and we have monopati in the hands of any shellfish without fear to get a lethal injection, as from poisonous cone. Continue reading

The construction of ponds and lakes
About technology The arrangement of the reservoir for fish production is significantly different from how built swimming pools or ornamental ponds artificial, because it often involves different technologies and equipment.…

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Carp pond
Two types exist in nature: pond and river. These species have noticeable differences from each other. First, pond carp has darker scales, and secondly, larger rivers, broader and also has…

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Dangerous fish of the red sea
To skorinova fish, is a few dozen genera, including several hundred species. Almost all skorinova – benthic fish. The shape of their body is very diverse.carried how many soft rays.…

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