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The nurse shark won’t hesitate to give a defensive bite though and at as long as 14 feet they can leave a significant wound behind. Sand tiger sharks, Carcharias taurus, also known as grey nurse shark, spotted ragged tooth shark, or blue-nurse sand tiger, are generally not a threat to humans. Please follow the directions provided by the manufacturer or service provider when using any product or service reviewed or discussed on this website. In fact, even in cases with aggressive sharks like Bull Sharks, Tiger Sharks, and Great White Sharks, who have the most documented attacks on humans, most sharks only attack humans out of either curiosity or because they feel directly threatened. Most commonly the nurse shark, due to its nature as a bottom dweller, is pushed to defending itself when it is stepped upon in shallow waters. Though Leopard Sharks are found in the same shallow waters humans often swim in, there has never been a case of a Leopard Shark attacking a person. Nurses are a part of a helping profession that we rely upon for our own health and safety, and yet when this term is mentioned in reference to a shark this is definitely not the image that is conjured up. They also tend to avoid larger animals like humans. With its 300 sharp teeth, the great white has the most powerful bite of the animal world - 18,000 Newtons (1,835 kilograms force). These bottom dwellers many swim along the ocean floor hunting crabs and small fish. The barbell structures on the face of the nurse shark are what help it to detect prey items as it moves along the ocean floor. This docile behavior is made possible through the ability of the nurse shark to breathe through its mouth and out of its gills. Sand tiger sharks, Carcharias taurus, also known as grey nurse shark, spotted ragged tooth shark, or blue-nurse sand tiger, are generally not a threat to humans. Measuring between 11 and 21 feet, it can propel itself at over 40 miles per hour (64 kilometers per hour). These fleshy organs that look like whiskers to many, are located on the lower jaw and are used both to taste and as fingers to feel out prey. Nurse shark attacks are uncommon, but they’re certainly not unheard-of—and humans are usually to blame. These small sharks measure around 48 in (121 cm) in length. That is why many divers and snorkelers visit the Bahamas to swim with sharks. The teeth are arranged in rows and as one tooth breaks or is lost during a struggle, a fight or during feeding, another of the teeth rotates in to take its place. Releasing a captive bred nurse shark in to the wild is another solution that many aquarium hobbyists turn to but it is one that generally results in the death of the shark in question. Written by Smrutica Jithendranath - Marine Biologist, Reethi Faru Resort, the Maldives. The downside is that the nurse shark's small mouth is attached to a large pharynx that enables it to suck up food and latch onto it. More common than not, humans are to be blamed for nurse shark attacks; which are not a common occurrence. Nurse sharks are slow-moving bottom-dwellers and are, for the most part, harmless to humans. Bamboo Sharks are found in the coastal waters along Southeast Asia and the Australian continent. Not only does the fully grown shark require an extremely large tank but it also requires a significant amount of food to remain healthy. The usual mating season for the nurse shark is from the end of June to the end of July and the gestation process takes approximately six months in order for the nurse shark pups to develop fully. Grey nurse sharks also had a bad reputation as being dangerous due to their fierce-looking appearance, but they are actually quite a timid animal and have often been described as a ‘labrador of the sea’. Nurse sharks are slow-moving, bottom-dwellers of the ocean who relatively harmless to humans. So considering how many opportunities they have to attack humans, Leopard Sharks present zero threat to people. The victim, electrical apprentice Eli Zawadzki, suffered a deep cut to one foot and was taken to Fiona Stanley Hospital for surgery. A nurse shark can be dangerous if you try to catch it with bare hands. Selling a nurse shark poses difficulty in that there are few saltwater aquarium owners who have the resources to take on such a large shark. Nurse sharks are slow-moving, bottom-dwellers of the ocean who relatively harmless to humans. When you see them active during the day there are threats around them or they are struggling to find enough food for survival. Younger nurse sharks often can be recognized from small spots on their skin. This system of replaceable teeth ensures that the nurse shark does not starve due to tooth loss which is a common occurrence even for a shark that prefers to feed on smaller fish and crustaceans. The Nurse shark is one of the species of shark that are perfectly capable of breathing while sitting still. The skin of the nurse shark is not the only part that is utilized commercially; the flesh and liver are also used. Nurse Sharks are a great shark for new divers and snorkelers to swim with because they present no threat to humans. are nurse sharks dangerous. They are also one of the most social sharks of the ocean and tend to spend time in groups just lounging on the ocean floor. Sharks have a fearsome reputation for attacking humans in more or less warm and deep waters. Disclaimer: This website contains reviews, opinions and information regarding products and services manufactured or provided by third parties. Usually when they encounter a human they will swim away, rather than investigate. Being slow-moving dwellers at the bottom of the oceans, nurse sharks are also harmless to humans. These ten species of shark are just some of the 440 different species that roam our oceans. Photo: Thomas Males. Image Source: Wikimedia. The individual tooth structure of the nurse shark is particularly interesting but also particularly damaging. Even then, there’s only been 5 Nurse Shark attacks and all have been non-fatal. All sharks are actually very friendly and do not attack humans. Nurse sharks have particularly strong hinged jaws which contain thousands of small serrated teeth and they will not hesitate to bite humans in an attempt to defend themselves when threatened. As mentioned before the body length of these sharks can range from 7.5 to as long as 14 feet long making those long tail fins anywhere from 1.9 feet to 3.5 feet long! Since they are highly camouflaged, most of the time swimmers don’t even notice them along the seafloor. Even though they are ferocious predators, there have been extremely few cases of Nurse Sharks ever attacking humans and even when they did, it was when they were directly antagonized and provoked. Even though they are a lamniformes shark, so they are related to and often are mistaken for Great White Sharks, their temperament could not be any different from their predatory cousins. As mentioned before the nurse shark prefers to swim along the bottom of tropical and subtropical waters. In fact, Whale Sharks have been known to not only be tolerant of divers, but some will even interact and play with humans. They are bottom dwelling, slow moving, and mainly hunt smaller food. We are not responsible in any way for such products and services, and nothing contained here should be construed as a guarantee of the functionality, utility, safety or reliability of any product or services reviewed or discussed. The family name Ginglymostomatidae is of Greek origin and also characterizes these sharks as having a hinge-like mouth with “gynglimos” meaning hinge and “stoma” meaning mouth. nurse sharks are very friendly and have no reason to attack you unless u go stabbing at it's eyeballs. Many people believe that all sharks species are a huge threat to people. The body is rather stout and the head is particularly wide with barbells that can be seen well. The scientific name for the nurse shark is Ginglymostoma cirratum, placing it within the Ginglymostomatidae family of sharks. Though Whale Sharks are the largest shark in the ocean, Whale Sharks present no threat to humans. But they “have very strong jaws filled with thousands of tiny, serrated teeth, and will bite defensively if stepped on or bothered by divers who assume they’re docile.” They are also one of the most social sharks of the ocean and tend to spend time in groups just lounging on the ocean floor. The great white shark, also known as the "white pointer," is the largest and deadliest predatory shark of the ocean.. Since most hunting is done at night, the nurse shark feels along the bottom of the ocean floor for prey items and attacks them with its thousands of serrated teeth when an item is located. In general there are thousands of these individual teeth within the shark’s mouth and these teeth are replaceable. While the nurse shark is classified as being a particularly docile species of shark they are also active nocturnal hunters that tend to take advantage of dormant fish who are not prepared for attack during the night. But provocation may lead to a sharp bite. Though they are ferocious predators, they mainly just hang out along the bottom of the ocean in shallow waters and wait for prey. Do nurse sharks bite humans? Most Dangerous Sharks The dorsal fins of the nurse shark are nowhere near as large as the tail fins but the two dorsal fins that can be seen on the back of the shark are approximately the same size. Nurse Sharks are a wonderful, docile species that are nicknamed the “couch potatoes of the ocean.” They are a favorite shark among divers to swim and snorkel with because you can get up close to them and still be very safe. The only time an Angel Shark has been known to attack is when they’ve been stepped on. In fact there are several species of shark that present no risk at all to humans. During the day, while most fish are active shoals of nurse sharks can be found hidden under ledges or in ocean crevices where they can rest peacefully during daylight hours. The conservation status of the nurse shark is globally assessed as being data deficient in- the IUCN List of Threatened Species owing to the lack of information across its range in the eastern Pacific Ocean and eastern Atlantic Ocean. Despite their fierce appearance, grey nurse sharks are not considered dangerous to humans. Nurse Shark Description. Today we bring you the list of top 10 most dangerous Sharks on the world. Hocher told INSIDER that interacting with nurse sharks is usually a safe activity, but the sharks do occasionally bite humans. Between their smaller size and non-aggressive temperaments, these sharks pose no threat to humans. Nurse sharks are “for the most part, harmless to humans,” according to National Geographic. Nurse Sharks are a great shark for new divers and snorkelers to swim with because they present no threat to humans. A human fear of sharks is not without reason, but it just so happens that nurse sharks are laid-back and mostly harmless. (For licensing or usage, contact licensing@viralhog.com) My husband and are in the Caribbean on our honeymoon. Shark belongs to that species which prey on other fishes and human, and they have been rated deadly predators among fishes. (For licensing or usage, contact licensing@viralhog.com) My husband and are in the Caribbean on our honeymoon. There are multiple theories that abound in reference to how this shark species got its name, the most favored of which is that it is derived from the old English word “hurse” which translates to “sea-floor shark.” Others believe that the name derives from the Archaic word “nusse” which translates to mean “cat shark.” The third theory states that the nurse shark got its name from the sucking sound that it makes when hunting prey, a sound that is likened to that of a nursing baby. Amy grew up in England and in the early 1990's moved to North Carolina where she completed a bachelors degree in Psychology in 2001. Basking Sharks, like Whale Sharks are another incredibly large filter feeder. Let’s learn about them. Like these ten sharks, the vast majority of shark species are not a direct threat to humans. There has never been an account of a Basking Shark attacking a human, and because of their passive attitude, they also make a great swimming partner for divers. So these three species present no threat to humans. In the wild, Thresher Sharks are extremely shy around humans, preferring to steer clear of them. The nurse shark, Ginglymostoma cirratum, on the other hand, can be quite the asshole if threatened. Unlike other species like the infamous great white shark, the nurse shark is not as widely known by the general population. So why is the nurse shark called a nurse shark? Were the nurse shark species to become extinct the smaller marine life that these sharks feed upon would soon begin to grow out of control and put other species in danger as they succumbed to large populations of these creatures. What happens in most cases is that a saltwater aquarium keeper will purchase a juvenile nurse shark and when it becomes too large for its tank will attempt to sell, donate or release the shark in the wild. Information About Sharks, For Shark Lovers, Sharks Of The World Have Added Some Strange Items To Their Diet, Blue Shark Facts That Will Not Make You Blue, 5 Interesting Locations That Different Types Of Sharks Have Been Found. Fortunately, even in the rare instances when a nurse shark does attack a human -- so far, 52 times, with no recorded fatalities -- the bite isn't powerful enough to be lethal [source: International Shark Attack File]. but I am sure that you are not aware of the different types of sharks and how dangerous they can be. The nurse shark can weigh in at anywhere from 200 to 330 pounds which puts an awful lot of power behind those serrated jaws if they should lock on in a defensive bite. Even then, there’s only been 5 Nurse Shark attacks and all have been non-fatal. The nurse shark is one of the biggest predators that our oceans will ever see and this is crucial to the health of the ocean marine life. So to help dispel the myth that all sharks are bloodthirsty, human hunting predators, we have compiled a list of the 10 least dangerous sharks. Young nurse sharks have little black spots along their backs. 6. Bamboo Sharks are so docile, they have been noted to let divers stroke and pet them. actually, u should be more hapy than worried to see sharks cos they are very rare. Image Source: Wikimedia. While there are many species of sharks that thrive in our oceans, each have different hunting and feeding habits that keep other marine life populations in check. Nurse sharks are a grayish brown color and their skin texture is somewhat unique for a shark. The nurse shark is a member of the genus Ginglymostoma. However, the grey nurse shark is no longer considered a dangerous species by divers and is a very popular shark with aquariums due to its fierce looks, big pointy teeth and ability to survive well in captivity. One can go near a resting individual without much fear. 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