Sharks are some of the most fascinating and most misunderstood creatures on Earth. But, snap judgments have lead to some misunderstandings about this sea monster. Learn 6 fascinating facts about sharks you probably never knew.
These water dwelling sea animals are closely linked to fishes and the earliest sharks back to 400 million years ago well before the era of the dinosaurs. This also makes sharks among the earliest surviving invertebrate creatures on the planet.
Though shark attacks have become sensational news stories, the fact is shark attacks are rare. The largest influencing factor for the fear of shark attacks dates back to a few of the most memorable films in cinema history. Directed by Steven Spielberg and published in 1975, Jaws produced a enormous fear of sharks and bumped up the mystique of sharks randomly attacking people. Actually, shark attacks on people’ amount to less than one hundred per year and fewer than 5 are deadly.
Interestingly enough, shark attacks increase during specific phases of the moon. For sea animals, the moon determines migratory patterns. Naturally when sea tides cause sharks to come into closer contact with individuals their is a greater chance for sharks to attack. For those concerned about shark attacks, death is more likely to happen from bees, drowning, light, Melbourne FL Rat Removal, wasps and snakes than from a shark attack.
There are hardly any species of sharks involved in a substantial part of attacks on people. The most well known are the great white shark. A number of these attacks are thought to be accidental, with the shark only taking a bite to identify what’s in the water, because sharks do not have hands that they use their mouths. However, seals are their favorite food source and the majority of the time after taking a first bite the shark will forego its human prey.
Unlike most fish, sharks must keep moving in the water because they don’t have a swim bladder. Without continuous movement, sharks are not able to pump water through their gills and can sink to the bottom of the sea and loose respiration. Sharks are also considered some of the most skillful hunters in the sea. Many species of sharks can smell a single drop of blood in the water and may hear fish from miles away. Most sharks also don’t sleep.
When most folks think of sharks they likely think of big hulking sharks with giant teeth. But, shark dimensions vary greatly; more than half of all sharks are less than 3 feet long. Shark species are continuing to be found and now over 350 species of sharks are identified. Sharks live mainly in saltwater via a few species can live in freshwater. Various kinds of sharks reside in temperate, tropical, coastal and deep waters.
The smallest shark in the world is that the dwarf lantern shark will only grows to about 8 inches long and resides in deepwater. The dwarf lantern is simply once inch smaller than the second smallest shark, the pygmy shark.