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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

Fish
Never thought fish can make sounds, interested. rummaged a little in an Internet and here is what I got The fish themselves can make sounds. Publish them they are not…

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Fish species bred in ponds
Carp is a domesticated form of carp, bred by a long selection work. From wild carp the carp is a more efficient use of feed, and in this regard, and…

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Black sea - description.
In the late 17th century Peter the great, meaning "to be firmly on the Azov and Black seas", has a boatload of "Fortress" to explore the shores of the Black…

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