Aquarium fish catfish: the external signs and conditions of detention
There are about 1200 species of catfishes that are divided into 31 families and 150 genera. Typical external characteristics, distribution, conditions of keeping and feeding of catfish, will be discussed…

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The explanation of the appearance of fish aquarium in every home are different. Some people prefer calming the turbulence in the aquarium, silent creatures, someone lost at the insistent request…

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Fish in the Mediterranean sea

Mako shark (Isurus oxyrhinchus) – the champion of the fastest sharks, reaching up to 4 meters long and weight more than half a ton. Belongs to the category of very dangerous to humans shark species, due to its size and aggressive disposition. Show all..

Giant hammerhead shark (Sphyrna mokarran) – can reach a length of over 6 meters and its weight about half a ton. In different regions of the world registered a lot of cases of these sharks aggression against people, so it ranked as top ten most dangerous sharks. It should be noted, however, that these predatory fishes have not met in the waters of the Mediterranean sea. Apparently, they are too rarely visit these fertile for people, or even completely lost interest in them. Be that as it may, several years of encounters with giant hammerhead sharks in the Mediterranean sea.

Bullish (bull) shark (Carcharhinus leucas), which is found in many parts of the world, have chosen the Mediterranean sea for its existence. For a person meeting this shark is very dangerous, it belongs to the top ten most dangerous species, and according to some experts is considered the most dangerous to humans shark.

In the Mediterranean sea is home to a large variety of reef sharks, among which the human being a serious threat may represent a Gray reef shark (Carcharhinus amblyrhychos) reaching in dlinu,6 km in the weight up to 34 kg. known as one of the most curious and aggressive sharks, often podplyvaya to divers. Can bite too Intrusive.

To potentially dangerous sharks that live in the Mediterranean sea can be considered as a sand shark (Odontaspis taurus), sevengill shark (Hexanchiformes), blacktip shark (C. melanopterus), blue (blue) shark (Prionace glauca), lemon (yellow) shark (Negaprion brevirostris), silky shark (Carcharhinus falciformis) and some other sharks, which reach more than 2 meters in length.

It is known that you should be wary of any marine predator, if its size is comparable with the human.

As I said, the sharks are much more dangerous than a shark to humans. Millions of sharks killed annually for fins, skins, meat, and even just for fun, had a significant impact on the number of these fish in all regions of the planet.

deceased shark Mediterranean sea is no exception.

To this we must add that Mediterranean waters are constantly polluted with human waste, it is also a kind of death beach for sharks, and not only for them.

According to the expert of the Central Institute for the exploration of the sea Silvestro Greco, sharks can only survive in very clean water, writes “Interfax”. If the current rate of pollution of the Mediterranean sea continue, in 15 years water will be too dirty for them. Given that the shark is an indispensable representative of the ecosystems of the world ocean, the disappearance, or even a significant decrease in their number will lead to environmental disaster.

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