10 facts about sharks

Fact 9 the gestation period for a pregnant female shark ranges from 5 months to 2 years. It likely have 5 rows of teeth, which acted like a conveyer belt, so that lost teeth could be replaced rapidly. Dec 19, 20 here are 25 interesting facts about sharks. Sharks strike fear into our hearts, but at the same time, these ancient fish fascinate us at a primordial level. Partly due to the fact that they need to carry shark babies, females tend to be larger in most shark species.

Sharks generally have about 45 to 50 teeth but thats just the front row teeth. Between 2030% of shark species are believed to be close to extinction, mostly due to. Sharks spark emotions in nearly every human, but these amazing fish are more than just killing machines and movie stars. The 11 facts you want are below, and the sources for the facts are at the very bottom of the page. In recent decades, researchers have committed to learning about and studying these animals in more depth, which has yielded some fascinating facts and has cleared up many myths. Great white shark by elias levy great white shark, via wikimedia commons.

Sharks have been around for nearly 400 million years and were about 200 million years older than dinosaurs. The main threat is fisheries, the lost net ghost net which remains a decoy for fish, demand for their fins, liver oil, skin and meat. Sharks 10 facts you didnt know about great white sharks. Mako sharks will reach long distance journey to search for mates and prey. Seals and sharks in cape cod waters have some things in common, but other facts may surprise you.

Out of over the 350 different species of sharks that we have, only about 30 of these species have ever attacked. The secondlargest living fish is a gentle giant with some peculiar habits and. Even though we associate sharks with big, sharp chompers, some species barely need their teeth. Sharks make the news for all the wrong reasons, but there are many other points of interest about this majestic fish that deserve consideration. The largest known whale shark was just over 40 feet long and 47,000 pounds. Sharks are a special type of fish that is known as an elasmobranch in other words, a fish that is made from cartilaginous tissue the gristly stuff your ears are made of. Jul 10, 2018 sharks are so tough, their embryos are known to attack one another.

A shark s spiracle is located just behind the eyes which supplies oxygen directly to the shark s eyes and brain. It likely have 5 rows of teeth, which acted like a conveyer belt, so that lost teeth could be replaced rapidly, likely within 2448 hours. The word megalodon derives from greek, meaning giant tooth. Mako sharks can be found living in tropical and temperate seas in many parts of the world. The bull shark carcharhinus leucas is the third most dangerous shark, after the great white and tiger shark bull sharks belong to one of the most popular shark families.

From blue sharks to whale sharks, sand tigers to great whites, there are many species of shark living in our ocean today. The weight of an adult whale shark can be about 19 tons. For 400 million years, sharks have roamed every ocean on earth. But, there are only a few such animals that are as much threatening as the sharks to the human beings. Fact 8 sharks are not color blind as is commonly thought. There are some many different varieties, with so many different behaviors, that there is an endless amount you can learn all about sharks. Shark facts great white, hammerhead, attack, habitat. Jul 19, 2018 in celebration of shark week 2018 here are 10 amazing facts about sharks. Jul 24, 2017 top 10 deadliest sharks shark week 2017. One of the most interesting in appearance is the mitsukurina owstoni, or goblin shark. Sharks have several rows of teeth and might have as many as 3,000 teeth in their mouths at one time. The darker coloration is spotted on the larger specimen. After all, it has those big teeth and it does have a reputation.

In fact, at last count, there were a whopping 440 known species worldwide. The school of hammerhead sharks can be found living in cocos islands of costa rica, malpelo island of colombia and molokai of hawaii. Statistically, it is incredibly rare for any species of shark to attack people, but when they do the results can be so horrific as to fuel our imagination of monsters. Learn more facts about these weird and wonderful sea creatures of the oceans. Many have several rows of teeth and can lose and replace thousands of teeth in their lifetimes. Join us here at ng kids to learn ten facts about great white sharks. They are a special type of fish known elasmobranch, which translates into fish made of cartilaginous tissues the clear gristly stuff that your ears and nose tip are made of. Here are 10 interesting facts about triakis semifasciata 1 the leopard shark is a species.

You can find blue sharks in all continents in the world, but not in antarctica. Great white sharks congregate in the middle of the pacific ocean in an area known as the white shark cafe. Fact 10 sharks eyes are on the sides of their head and their sightline is capable of spanning nearly 360 degrees. Great white sharks are superb hunters and a huge part of this is their huge jaws. Sharks feed at all times throughout the day, so there isnt a time you can avoid the water. For example, if the vertebrae has ten band pairs, then the shark is assumed to be 10 years old. Jan 12, 2017 there are many hundred species of sharks, ranging in size from less than 10 inches to over 50 feet. May 09, 2016 there are so many other things you can learn about sharks besides these 50 facts. In celebration of shark week 2018 here are 10 amazing facts about sharks. Sharks have long been feared and even worshipped by mankind. Sharks are one of the most fascinating predators there are. Posted on january 31, 2018 may 4, 2018 by passportocean.

There are many different types of sharks including the great white shark, hammerhead shark, bull shark, tiger shark and mako, they. Humans are a greater threat to sharks than sharks are to us. They are in fact attracted to certain colors such as yellow. To protect their eyes from attack, a shark can roll them back into its head. Bull sharks are large, with females being larger than males. Jan 31, 2018 10 facts you didnt know about great white sharks posted on january 31, 2018 may 4, 2018 by passportocean many people think of the great white shark as a scary creature. While many people think of sharks as ferocious predators that might attack at any time, divers have a different point of view. Another one of our interesting shark facts is that sharks are one of the oldest predators still alive, having swum in the ocean over the last 450 million years. In recent decades, researchers have committed to learning about and studying these animals in more depth, which has yielded some fascinating facts and has cleared up. Their night vision is better than a cats or a wolfs. In fact, there really is not a way to prevent an attack. Sharks have existed for more than 450 million years, whereas the. Its hard to think of creature more awesome, in a literal sense, than the shark.

Hammerhead sharks have that funnylooking head for a. Thats about three times as big as the largest sharks in the ocean today. What are some interesting facts about whale sharks. There are around 10 to 20 million sharks killed by human.

While many people think of sharks as ferocious predators that might attack at any time, these facts about sharks may change your point of view. For instance, whale sharks which generally range from 18 to 32 feet5. At a maximum length of about 65 feet and weight of 75,000 pounds, a whale shark s size rivals that of large whales. Sharks eat fish, crustaceans, mollusks, plankton, marine mammals, and even other sharks. Some species of sharks have a spiracle that allows them to pull water into their respiratory system. The largest embryo in a shark litter is known to eat its fellow embryos, in an act known as intrauterine cannibalism. Interesting facts about great white sharks discovery. Researchers looked at this phenomenon in sand sharks, noting that, while 12 littermates may start out the journey, all but one is devoured by the biggest in. Shark alley off the coast of dyer island in south africa is where most of the worlds great white sharks live. There are around 510 attacks a year, but researchers believe that, rather than preying on humans to eat them, the sharks are instead taking a sample bite out of curiosity, before. When hundreds of leopard sharks were found dead and dying in californias san francisco bay earlier this month, we wanted to learn more about these beautiful fish. A sharks sense of smell is 10,000 times better than a humans.

Female whale sharks do not lay eggs until they crack in them, and their offspring are usually born 71 cm in size. Compare that to shark attack statistics while a shark attack is a horrifying thing, there are. For example, if the vertebrae has ten band pairs, then the shark is assumed to be 10 years. Scientists determine how old a shark is by the number of rings on its vertebrae. So lets sink our teeth into some fun facts about this celebrated deepsea predator. Shoes, chairs, boxes of nails, drums, entire bottles of wine and the rear half of a horse are some of the many bizarre objects that are found in sharks stomachs over. Sharks, in my opinion, are the most beautiful predators under the sea, but beauty isnt everything with these majestic creatures. While sharks dont use sounds to communicate, they do rely on body language. There are so many other things you can learn about sharks besides these 50 facts. Top 10 deadliest sharks shark week 2017 animal facts. Sharks can rouse fear and awe like no other creature in the sea.

Just like people, some sharks tend to go it alone while others prefer strength in numbers. Compare that to shark attack statisticswhile a shark attack is a horrifying thing, there are only about 10 fatalities worldwide each year due to sharks. Ten interesting facts about sharks australian national maritime. One of the most notable facts about whale sharks is that they are the worlds largest fish. Our first segment for this list of interesting shark facts is about the biggest fish in the world the whale shark. They also come with dangerous myths, some of which might finally destroy these ancient wonders.

Between 2030% of shark species are believed to be close to extinction, mostly due to being hooked by accident at commercial fisheries. The lifespan of bull sharks is estimated to be about 16 years. Scuba divers have a unique perspective on life under the waves. The secondlargest living fish is a gentle giant with some peculiar habits and a knack for instigating.

Shark pups are born 4 feet long, and closely resemble a regular pup in no way whatsoever. Jul 28, 2019 one of the most notable facts about whale sharks is that they are the worlds largest fish. Interesting facts about bull sharks just fun facts. Few species have thrived on our planet for as long and fewer have been so misunderstood. Thanks to specials like discovery channels shark week, our understanding of sharks has grown immensely in recent years. Many people think of the great white shark as a scary creature.

Tiger sharks, for instance, prefer to hunt alone, using stealth and ambush tactics to catch their prey, while scalloped hammerheads, for instance, hunt in schools of more than 100. Even thought lemon sharks can be found swimming in the rivers, it is very rare for them to swim far away to the freshwater areas. Top 10 fascinating facts and stories about sharks listverse. Although sharks have a reputation as destructive beasts that attack almost anything that enters their water habitat, the actual number of shark attacks is probably lower than you imagine. Partly due to the fact that they need to carry shark babies, females. Out of over the 350 different species of sharks that we have, only about 30. Find out about the worlds biggest and fastest sharks, how sharks reproduce, and how some species are at risk of extinction. They are thought to have inhabited the ocean for over 400 million. Its hard to see in the murky waters of the deep, but sharks have excellent vision. Weighing 0 pounds or more and growing up to 15 feet, the tiger shark is the fourthlargest shark on earth. Shark teeth from millions of years ago have been preserved at the bottom of the ocean.

In this video i summarize some of the most interesting things i learned about sharks on my cage diving adventure. There are around 510 attacks a year, but researchers believe that, rather than preying on humans to eat them, the sharks are instead taking a sample bite out of curiosity, before swimming off. Whale sharks are the biggest living species of fish. However, for centuries, little was known about these fascinating creatures. Like modern sharks, the megalodon discarded its teeth frequently as they became worn. Sharks live in every part of the ocean, and some can survive in fresh water.

Sandy sediment that covered the shark teeth protected them from oxygen and bacteria, allowing them to fossilize over the course of 10,000 years. Jul 17, 2018 celebrate shark week by learning something new about sharks. The shark s full scientific name is carcharocles megalodon. Sharks are so tough, their embryos are known to attack one. Since they are longlived species and only have a few young at once, sharks are vulnerable to overfishing. Great white sharks great whites have a powerful sense of smell, they can detect the scent of blood in the water up to three miles away. Shark guardian shark and marine conservation projects worldwide. Dec, 2019 compare that to shark attack statisticswhile a shark attack is a horrifying thing, there are only about 10 fatalities worldwide each year due to sharks. The population of blue shark will be decreased due to the extensive fishing. These amazing animals have a fierce reputation, but fascinating biology. The eastern and southern africa also has large schools of hammerhead sharks. Sep 28, 2016 10 bigmouthed facts about basking sharks. There are numerous animals which the human beings are really afraid of.

Jul 07, 2015 whale sharks are the biggest living species of fish. Some species of sharks have a spiracle that allows them to pull water into their respiratory system while at rest. From virgin births to living for centuries, sharks are revealing addictive facts about themselves. Despite how many sharks are in the ocean, scientists are still discovering how these menacing creatures actually behave.

Sharks are one of the top predators of the oceans, and they can differ in shapes and sizes, from the largest whale sharks to the smallest dwarf lantern sharks. In fact, youre less safe because sharks are attracted to groups of humans, not a lone swimmer. Oct 09, 2018 great white sharks live up to 70 years, and greenland sharks live up to 400 years. Mako sharks will like to hunt swordfish, bonitos, tunas, mackerels. From our obsession with sharkthemed movies like jaws, to our desire to. Most sharks have to keep swimming to pump water over their gills. Many shark species are threatened by fishing or bycatch, amounting to the death of millions of sharks each year. If youd like to know a little bit more about these amazing creatures, then read on ti find out some fun facts bout sharks. Out of over the 350 different species of sharks that we have, only about 30 of these species have ever attacked humans.