krk
Pavel Kulhánek
Shark
Basking shark is a coastal shark, which can be found worldwide in warm and cold waters off the continental shelf. It is found in all temperate oceans. The preferred water temperature 8 to 14°C.It is a highly migratory species.
Basking shark is one of the largest known species of sharks. The largest specimen was caught in the nets for herring in the Bay of Fundy in Canada in 1851. Its total length was 12.27 meters .
Great White Shark as well as other sharks breathe through gills, which are not open to receive water and nepulzují as in fish. The shark must keep moving so that the gills of fresh water came, and he suffocated, which happens when entangled in fishing nets.
Tiger shark-In the winter sea remains warmer at the equator and looking for food in the coral reefs in the Pacific and Indian Ocean or the Caribbean. It can migrate over long distances. He lives mostly alone, but several individuals may gather in one place for food. It has a characteristic huge mouth on the lower body and massive jaws, which are equipped with a large number teeth triangular with serrate margins.In relation to people is considered one of the most aggressive of the shark, according to statistics of the ISAF is responsible for 12% of all attacks in the diver is responsible for more fatal attacks on humans than any other species of sharks including great white sharks.