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A few facts about sharks
he oldest sharks there are over 400 million years, sharks are older than dinosaurs.
There are about 350 species of sharks; their size can vary from 15 centimeters to 18 meters.
It should be noted that interesting fact. what is the ratio of brain to body weight of sharks, almost the same as in mammals, from which the conclusion that sharks are as smart as other animals
Life expectancy of sharks for about 30 years. But the sharks are long-lived. So, the life expectancy of the whale shark exceeds 100 years!
The average rate of movement of sharks about 8 km/h, but during the attack the shark can accelerate up to 19 km/h for Example — the Shark-the Mako and the great White shark can accelerate to a speed of 50 km/h.
The shark is able to feel one gram of blood dissolved in 600 thousand liters of water, at a distance of 500 meters. Continue reading
Dangerous animals of Egypt
Today Egypt is one of the most favorite places of recreation for the citizens of Russia. Such love this country deserved thanks to historical monuments, ancient pyramids of Giza, the Luxor temple. and of course the Nile. Aswan dam – the colossal statue, is a symbol of friendly relations between Russia and Egypt. Special beauty makes the beautiful Red sea, which is home to many marine inhabitants.
In the Red sea there are over a thousand species of fish and about 250 species of corals. However be wary of acquaintances with some kinds. One of the most dangerous inhabitants of the sea is considered to be a shark in the Red sea but they are not the most dangerous fish. Unlike the Indian ocean, sharks in the Red sea not so much, about 30 species. Most often we can meet reef sharks, white tip reef sharks, hammerhead. It should be noted that not one of these species is not particularly aggressive, but despite that it is necessary to keep security measures. Make your stay in water have passed without incidents worth knowing about some rules: it is not recommended to beat the water with her hands and feet, to swim in troubled waters, to hunt with a harpoon gun. All of which can attract sharks. Continue reading
Black aquarium fish: “any color is good if it is black”
Beautifully designed and selected aquarium interesting fish talk about good artistic taste of their owner. Black aquarium fish — an unusual and stylish solution. What kinds of exist in black color?
Black aquarium fish instantly attracts the attention. And if you decide to place your aquarium in a minimalist style and chose white or color artificial soil for aquarium, more effective option and does not come up. Fortunately, at the moment, the breeders have dozens of types of black aquarium fish.
Goldfish Black telescope-Valuehost
As plants are still together with goldfish to contain will not work, because the goldfish eat them cleaned, you’ll have a very futuristic composition. A pair of black or veiltail telescopes will look amazing on the white ground of the aquarium. Continue reading
