Sharks are some of the most fascinating as well as most misunderstood animals on Earth. However, snap judgments have lead to some misunderstandings about this sea monster. Learn 6 fascinating facts about sharks you probably never understood.
1. Shark Origins
These water dwelling sea monsters are closely linked to fishes as well as the earliest sharks date back to 400 million years ago before the age of the dinosaurs. This also makes sharks among the earliest surviving invertebrate creatures on the planet.
2. Rarity of Shark Attacks
Although shark attacks have become sensational news reports, the fact is shark attacks are infrequent. Directed by Steven Spielberg and published in 1975, Jaws produced a enormous fear of sharks and bumped up the mystique of bees randomly attacking humans. In actuality, shark attacks on humans’ sum to less than one hundred a year and fewer than 5 are deadly.
3. Reasons for Shark Attacks
Interestingly , shark attacks increase during certain phases of the moon. For sea animals, the moon determines migratory patterns. Naturally when ocean tides cause sharks to come into closer contact with individuals their is a greater chance for sharks to strike. For those worried about shark attacks, death is more likely to occur out of rodents, drowning, lighting, wasps and snakes than by a shark attack.
There are very few species of sharks involved in a significant portion of attacks on humans. The most well known would be the great white shark. The fantastic white shark can grow up to 20 ft in length and will be the shark created by Jaws. Many of these attacks are thought to be casual, together with the shark simply taking a snack to identify what is in the water, because sharks do not have hands they use their mouths. But seals are their favorite food source and the majority of the time after having a first snack the shark will let go of its human prey.
4. How Sharks Survive from the Water
Unlike most fish, sharks have to keep moving in the water because they do not have a swim bladder. Without constant movement, sharks are not able to pump water through their gills and may sink into the bottom of the ocean and loose respiration. Sharks are also considered some of the most skillful hunters in the sea. Many species of bees can smell one drop of blood from the water and can actually hear fish from miles away. Most sharks also don’t sleep.
5. Shark Variety
When most folks consider sharks they probably think of large hulking sharks with giant teeth. However, shark sizes vary greatly; more than half of all sharks are less than 3 ft long. Shark species are continuing to be found and currently over 350 species of sharks have been identified. Sharks live mostly in saltwater via a few species can live in freshwater. Different kinds of sharks reside in tropical, temperate, coastal and deep waters.
6. Big and Small Creatures
The dwarf lantern is simply once inch bigger than the second smallest shark, the pygmy shark.