Background reading
Sharks are one of the nature’s greatest predator and highly intelligent species, they have a social hierarchy system, possess problem-solving skills and are curious by nature.
A sharks sense of smell and sight is keen, it can both spot a one part per million of blood in seawater and can hear prey that is mile away. They also possesses electro receptor organs called Ampullae of Lorenzini which give them the greatest electrical sensitivity in all of the animal kingdom and help them find hidden prey.
Sharks are very peculiar beasts and it is no wonder people centuries over have been fascinated by them. Many of us have mistakenly believed that sharks are significantly threat to human life. The greater number of the 370 species of sharks is harmless. Sharks can eat varieties of food.
The whale and basking sharks are the biggest species on this kind which are plankton eater and not a threat to humans, however, many of the bigger fast swimming sharks are true meat-eating animals and an astounding different and amount of food have been found in some of these marine creatures.
Acting as a scavengers as well as top carnivores, sharks are truly important in the ecology of the oceans. The reaction on shark’s attacks is often not based on facts but in emotions because shark attack on human is an exceptionally rare occurrence.
There are increasing dangers from humans that these sharks and their cartilaginous relatives, skates and rates are facing. For every person killed by a shark, over 23,000 tonnes of sharks and rays are killed through commercial fishing because we, humans target them for their meat and for their fins. They are also killed as by catch when some other species is in target.
Sharks have a low reproductive capacity and are not substituting their numbers as fast as humans are killing them. More protection for these marine creatures is needed before they are slaughtered to extinction.
Condensed from an article on: ArticlesBase.com – Shocking Shark Videos
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