Examples arethe Guitar fish and the Bow Mouth Ray. There are many places to hunt for shark teeth in the United States. Before sandpaper was invented, people used the rough skin of sharks, called, The first pup to hatch inside the sand tiger shark. } Sharks: Facts about the ocean's apex predators. Each shark species has a unique shape. If lions are the kings of the jungle, then sharks are the kings of the ocean. Sharks living deep in the water tend to have light-colored eyes to help them attract more light, while sharks living close to the surface have darker colored eyes to shield them from the light. Shipping cost, delivery date, and order total (including tax) shown at checkout. Their skin is made up of tooth-like scales called dermal denticles, allowing water to pass through it without making much noise. It looks like WhatsApp is not installed on your phone. They have changed very little over the eons. xhr.setRequestHeader('Content-Type', 'text/plain;charset=UTF-8'); Few species have thrived on our planet for as long and fewer have been so misunderstood. There are many breeds of sharks. Made with protective fluoride coating, sharks need not pay a visit to the dentist. Most sharks are cold-blooded. There are literal hundreds of sharks species. Sharks make their homes in waters across the planet, with some migrating vast distances for food and mates. Determining the actual rate that the bands are deposited is called "validation". 9. Sharks sleep, but they do it with their eyes open. Imagine up to 7 rows of teeth along their gums, and up to 300 teeth in total. Interesting Facts 01 Sharks are older than dinosaurs. It is thought that at least 10 families of sharks existed during the Devonian Period (400 million years ago). This is to prevent them from eating their own offspring. 3 in terms of overall attacks, with 121 total attacks in the historical record, of which 26 were fatal and unprovoked. When it comes time to give birth, the female shark loses her appetite so she wont be tempted to eat her own pups. They can be as large as 50 to 60 feet! Greenland is actually full of ice (and Iceland is full of grassy plains.) This website uses cookies so that we can provide you with the best user experience possible. Of this large number, only about 30 species are known to attack humansparticularly the Great White, Tiger, Bull, Mako, and Hammerhead sharks. Tiger sharks eat first and ask questions later. Sharks have more senses than humans. As National Geographic points out, "The U.S. averages just 19 shark attacks each year and one shark-attack fatality every two years. Sharks are members of the class Chondrichthyes, a group of fish commonly known as cartilaginous fish. These extinction events killed most life on earth and the last one around 65 million yeas ago killed the dinosaurs. To add the following enhancements to your purchase, choose a different seller. ", "It was mere gossip & hurt Diana deeply, so there is little chance Harry will mention anything of it.". Even those that don't have skin as thick as this, have . The jaws on the great white shark are no joke. The back of sharks eyeballs have a reflective layer of tissue called a tapetum. In the 1980s, the efficiency of a shark was compared to that of a submarine and, weight for weight, the shark required six times less driving power. Shark skin feels exactly like sandpaper because it is made up of tiny teeth-like structures called placoid scales, also known as dermal denticles. Sharks have six senses, these include; sight, touch, smell, taste, hearing, and electroreception. Like snowflakes, no two whale shark spot patterns are alike. According to scientists' DNA studies, the ancestor of the hammerheads probably lived about 20 million years ago. I am a K-12 teacher, and this book has been loved to death in my room. - Source. With Shark Week in full swing, there is no better time to remember that Earth's oceans, vast and deep, are full of wonderful and extraordinary creatures. Basking sharks also rarely travel alone. On average, they grow to around 4.6m long, but some great whites have been measured at 6m - that's . 7.Sharks and Other Scary Sea Creatures. 18. When some species embryos begin to develop teeth, they eat their unborn brothers and sisters until one shark remains, an act known as intrauterine cannibalism. A 2008 computer model estimated that a 21-foot great white would produce a force of almost 4,000 pounds per square inch (psi)that's four times stronger than a tiger or lion, which were estimated to generate just 1,000 psi of force. When they get hungry, they are like giant vacuum cleaners, sucking prey off the sea floor or from between rocks. Shark Attacks: Terrifying True Accounts of Shark Attacks Worldwide. One was even found having a. Their cartilaginous skeletons are much lighter than true bone and theirlarge livers are full of low-density oils, both helping them to be buoyant. The first tiger shark pup to hatch will eat its siblings. Believe it or not, sharks can live in all oceans and often prefer the areas near the coast. 6. Some species of sharks are carnivorous in the womb. This is how scientists study them in the water without risk of danger. Previously, English sailors and fishermen used the term sea dog or the Spanish tiburn. The fossils of these 1.2 meter sharks are over 400 million years old. Sharks dont get cavities probably because they are constantly shedding teeth. A shark can sense sounds with the entire skull. Sharks do not have ears on the outside of their body, but rather on the inside of their heads. But as much interest as they attract, there is much about sharks that the average person doesn't know. Could have been wiped clean and pages taped back in, Reviewed in the United Kingdom on November 10, 2020, Reviewed in the United Kingdom on September 2, 2018, guide d'initiation non exhaustif mais moderne et bien illustr. As most sharks age, they deposit calcium salts in their skeletal cartilage to strengthen it. Weird but definitely interesting information. Its an infrasonic sound that injured fish make, drawing sharks to a yummy low-effort meal. I don't understand why the letters would be shaped this way, especially since the publisher chose to use a more simple font for the rest of the lettering in the book. It's a dog-eared book of dog fish and their kin. The smallest shark is the dwarf lantern shark, which is only seven inches long. Scientists Discovered a New Species of Tiny Sharks that Glow in the Dark. Contrary to popular belief, the stomach is not the largest organ inside a sharks body. Baby sharks are born with all of their teeth. To discover more amazing secrets about living your best life,click hereto sign up for our FREE dailynewsletter! Sharks have the largest brains of any fish. The. A journalist based in Brooklyn, New York. This means that every time you visit this website you will need to enable or disable cookies again. They range in size from a few inches to 40 feet long, living in a wide range of habitats and boasting a strange assortment of physical characteristics. But marine life experts caution against popularizing this sport. Lightning strikes are more deadly than shark attacks. Approximately 100 million sharks are killed every year. Lucky I had a pen at home to use with it! Rulers of the ocean, stars of blockbuster movies, and subjects of fascination for any proper-thinking person who gets excited every year when Shark Week comes around. Tidal wetland restoration in California. Find many great new & used options and get the best deals for 1000 Facts about Sharks at the best online prices at eBay! The series of teeth toward the back of the shark's jaws also serve as replacements for the teeth up front when they are damaged or lost, in what might be called a "conveyer belt of death" (shark teeth are not deeply rooted in the way human teeth are, making this a pretty common occurrenceand also means its teeth are almost always in pristine condition). The largest and strongest known predatory, The second-most dangerous shark in the world, the tiger shark, is sometimes called the garbage can of the sea because it will eat anything, including animal carcasses, tin cans, car tires, and other garbage. They grow from an egg developed inside their mother, but feed on the yolk sac and then they born alive (Ovoviviparity). There are more than 470 species of sharks split across thirteenorders, including four orders of sharks that have gone extinct. 22. Some sharks can smell one part of blood in 100 million parts of water and can tell which direction that smell is coming from. An egg from a whale shark measuring 14 inches in diameter was found in the Gulf of. Some scientists suggest women stay out of the water while menstruating, The blockbuster film Jaws dramatically increased shark killings, More people are killed by bee stings and lightning than by shark attacks, At birth, a hammerhead shark's head is soft, Almost 90% of shark attacks have involved men, A shark fin is often removed from the shark while it is still alive, Sharks tend to look scarier as they age because their new teeth are typically longer than their old teeth, Great White sharks are the only fish that poke their head out of the water to "investigate" the surface. Watch this video about the strangest prehistoric sharks. 8. Since some species have to continue swimming in order to breathe, instead of falling into a deep sleep, sharks remain semi-conscious. Humans stand little chance of surviving a shark attack. Tens of millions more sharks and ra 4Crawford, Dean. 3Carwardine, Mark. Bull sharks have become common freshwater dwellers and they are often caught as far as 2500 miles from the ocean. Animals, a visual encyclopedia. Scroll through the factsor use the category links to narrow your search. The skeletons of cartilaginous fish such as sharks are made of cartilage rather than bone. The longest shark is the whale shark, which can grow to a whopping 50 feet long and weigh more than 40,000 pounds. Sometimes sharks attack metal objects. 100 interesting facts about sharks 1. So if anything, sharks have far more reasons to fear us than vice versa. Shark can swim safely in the dark and with closed eyes. 6. The teeth of a shark are in consecutive long rows. However, some have a flatter body like a ray, horn sharks are blunt headed, and bamboo sharks are long and flexible. Ostriches produce the largest eggs for land animals, their eggs can reach 6 inches long by 5 inches wide. Therefore most shark species have never attacked a human. Sharks can't stop swimming CNN. To us, these majestic beasts vacillate between objects of petrifying terror or subjects of endless fascination. Thinkstock Just when you thought it was safe to go back into the lake While sharks live in all of the world's oceans, a few species are also known to inhabit freshwater lakes and rivers. You can identify shark teeth by looking for a triangular shape. Though it's not the thickest in the animal world (sperm whales have skin measuring more than a foot thick), but it's tough enough that it's made it extremely difficult for scientists to get a blood sample of the creature. Without any conclusive proof of how sharks might respond, some scientists suggest. Includes initial monthly payment and selected options. When they lose one tooth, a new one from the back row come forward to fill the slot; this continues for their entire lives. 3) ovoviviparity = Eggs hatch inside the adult female and sharks are born alive. Shark skeleton material is not strong, dense bones like terrestrial vertebrates. Credit: NOAA/Liana Heberer. But they need to eat up to 10 times . While most bony fish produce eggs that are hatched outside the female's body, shark pups are fertilized and hatch within the female body, leaving their mother's body fully formed. There are plenty of animals that are far more dangerous than sharks. SHAAAAAAAARRRRRKKKSS!!!!! A 2009 study found that the placement of their eyes gives them impressive binocular vision and the ability to see 360 degrees. I also really like that the book includes other fun activities for her to do, and all help her to develop her fine motor skills. } The shark does not know how to stop abruptly. Shark Fact #98 When in close range, they are even able to sense the heartbeat of immobile prey. It's a shame because this could have been a really incredible learning tool, but instead, it may lead to some frustration or confusion for children when they encounter other activities involving letters. New York: Dorling Kindersley Book, 1992. You are more likely to be struck by lightning than attacked by a shark. 5. Though they dont have visible ears, sharks can easily hear their prey at distances of more than 800 feet (two football fields). Sharks sometimes act as scavengers and will often feed on dead animals such as whales. Dont panic if you see a sharks fin protruding in the lake because some sharks actually live in freshwater settings. Depending on the species of shark, the young which are called pups may be: They born alive and feed on their mother (Viviparity). The first written account of a shark attack is found in Herodotus (c. 484425 B.C.) Facts about sharks for kids Facts about sharks for kids. ", Just as the rings of a tree tells you how many years it's lived, scientists usually determine the age of most species of fish by counting the "rings" on small calcium structures in their ears. Female sharks can reproduce without male sharks. These sharks stick to small prey like fish, crustaceans or cephalopods. Between 70 and 200 million sharks are being killed each year by target shark fishing. July 21, 2019. A bull shark was once caught 1000 miles up the Mississippi River. There's a shark that's 120 million years old. Female great white sharks are bigger than males. The skin on whale sharks is six inches thick. 20. . One third of all living shark species areclassed between Near Threatened (NT) and Critically Endangered (CR) by the IUCN Red List, All Rights Reserved | Copyright Shark Guardian 2020. ", Another advantage of hammerheads' weird head is that they have incredible vision. [4] Shark don't have vocal cords. 1000 Facts about Sharks 9780760760833 | eBay Full content visible, double tap to read brief content. Sharks can rouse fear and awe like no other creature in the sea. Insider interviewed marine biologist and doctoral student Amani Webber-Schultz to assess shark facts that in the movies "Jaws" (1975), "Finding Nemo" (2003) and "The Meg" (2018). Fish, on the other hand, have flat, rough scales. The largest embryo in a shark litter is known to eat its fellow embryos, in an act known as intrauterine cannibalism. World Wildlife Fund Canada: "7 Fascinating Facts About Sharks". If you look away, you just might miss it. Don't be too afraid of sharks. Due to their unusual sleeping style, sharks can travel nonstop for days, with great whites known to go distances of 2,500 miles or more without taking a pause for resting or eating. Up to 30 tons per 1 sq. 12 My only real concern was that some of the letters are very "fancy" and do not resemble the style of letters that my child will be learning next year in kindergarten. While mating, male sharks can get aggressive and bite their partners. Many species of sharks have a movable, transparent nictitating membrane that covers and protects their eyes when they are attacking and eating. The fascination around these legendary creatures earned some backlash for the Discovery Channel in 2013 when it aired a mockumentary with actors pretending to be scientists discussing the long-extinct animals as if they still existed. They area special type of fish known as "elasmobranchs",which translates into fish made of cartilaginous tissues. As fierce as they may be, pound-for-pound, great white sharks do not have the strongest bites in the ocean. Due to wrong publicity, sharks have a bad reputation. Whale sharks are the biggest sharks. The Bull Shark, for example, can live in freshwater and saltwater areas. Most shark attacks are on men. A team of scientists from The Marine Mammal Center and the California Academy of Sciences perform a necropsy on a stranded gray whale at San Franciscos Ocean Beach. - Source. And in fact, in 1937, one was caught in Alton, Illinois, 1000 miles up the Mississippi River from the Gulf of Mexico, where you wouldn . There is evidence that sharks have been on Earth for more than 420 million years; this means that they were dwelling the oceans when dinosaurs ruled on land. Return to Book Page Not the book you're looking for? Jul 9, 2020. . Part of her leg and a piece of her wet suit were later found. For thresher sharks, they use their tails to slap prey to death. That's because they're elasmobranches, or species that have cartilage instead of bones, meaning most shark carcasses decompose before a fossil has time to form. Sharks eat fish, crustaceans, mollusks, plankton, marine mammals, and even other sharks. Sharks exhibit great diversity in their reproductive modes. While blood likely does not provoke a shark to attack, a shark in the vicinity likely can detect the blood. London: The Natural History Museum, London, 2002. https://seaworld.org/en/animal-info/animal-infobooks/sharks-and-rays Everyone scrambles for it; all ages, both sexes, all interest levels and abilities. There area number of"sharky" looking animals in the oceanthat are actually rays,not sharks. That strategy allows sand tiger sharks to have much larger babies at birth than other shark species, making the little ones relatively safe from other predators." But what it lacks in size it makes up for in other quirks: its organs emit light along its belly, helping to camouflage it in the rays of sunlight that stream into the shallow water it inhabits. http://www.bbc.com/earth/tags/shark. Shark attacks are extremely rare and account for four fatalities every single year worldwide, whereas humans kill 100 million sharks a year. 1001 Facts about Sharks. Meanwhile, in the coastal U.S. states alone, lightning strikes and kills more than 37 people each year.". They are Chondrichthyes. It is so sharp that they can detect a drop of blood in the water several miles away. The first sharks lived more than 400 million years ago200 million years before the first dinosaurs. River sharks can be found in freshwater throughout Asia and Australia. The smallest shark is the Dwarf Lantern Shark which is only about 8 inches long. They are better at detecting low frequency sounds, so they cant detect the high-frequency sounds. Sharks have 40-45 teeth, with up to seven rows of replacement teeth behind them. 97 Percent of all sharks are completely harmless to humans. Many species of sharks have a status of endangered due to illegal killing. There are about 470 species of sharks These 470 shark species, classified in 8 orders and 37 families. . It weighs as much as 400 pounds and can be as long as 10 feet long. The surprising faacts about sharks is the mega-mouth shark wasn't discovered until 1976, with just 41 known sightings of the species till now. Although rare, a female shark can reproduce without any contact from a male. Fly through our list of interesting bird facts to learn more about their colorful world. Most sharks can see well in dark lighted areas, have fantastic night vision, and can see colors. Since both humans and sharks are jawed vertebrates, we share a common ancestor, believed, according toNature, to be the Acanthodes bronni. Another one was found in the Amazon river swimming nearly 2,485 miles . 8. Sharks can lose up to 1000 teeth per year, but they renew them without any difficulty. Find many great new & used options and get the best deals for 1000 Facts on Sharks - Hardcover By Anna Claybourne - GOOD at the best online prices at eBay! It contains a whopping 3,000 ampullar pores for picking up on electrical fields in the ocean. Issue 1. She says people are profiting from "a crime.". Scientific American: "The Shark's Electric . Want to know more about sharks? Sharks have special electroreceptor organs. livre anglophone reli rigide petit format carr rcent (2004) consacr aux requins; aprs quelques pages de prsentation, l'ouvrage numre un millier d'informations relatives au sujet; chacune d'entre elles fait l'objet d'une courte notice d'une deux lignes et est prsente avec une dizaine de semblables sur une double page par ailleurs illustre de dessins en couleur; ces 100 chapitres de 2 pages sont regroups en sections: Learn more how customers reviews work on Amazon. Others can have more than 100 at a time. Spiny dogfish sharks are popular in the international market. Sharks have an impressive set of teeth. Dolphin by TJ Fitzsimmons/ Unsplash. In life, most sharks are brown, olive, or grayish. Great whites have a more powerful bite than jungle cats. For example, the blue shark is known to give birth to as many as 135 pups in a single litter. The Whale Shark is also the largest fish alive. The mako and porbeagle sharks also exhibit a blue coloration, but it is not nearly as brilliant as that of a blue shark. Seafood Import Monitoring Program Proposed Rule to Expand Species Groups and Improve Implementation, Climate Change and Habitat Loss: Fisheries at Risk. The ocean floor is a graveyard for shark teeth. Then they born alive, they deposit calcium salts in their skeletal cartilage to strengthen it, whereas humans 100... Kills more than 40,000 pounds these 470 shark species have to continue in! Inside a sharks body True Accounts of shark attacks are extremely rare and account for four every... Are many places to hunt for shark teeth, choose a different seller than bone type of fish known ``. Sign up for our FREE dailynewsletter so they cant detect the high-frequency sounds by looking?. A single litter no joke a Ray, horn sharks are carnivorous in the coastal U.S. States alone lightning. Scientists study them in the ocean in their skeletal cartilage to strengthen it river sharks can live in all and... The hammerheads probably lived about 20 million years ago ) alive ( Ovoviviparity ) sharks actually live in freshwater saltwater... Kills more than 40,000 pounds plenty of animals that are far more reasons to fear us than versa! As dermal denticles skin is made up of tiny sharks that the placement of teeth! Shark which is only about 8 inches long adult female and sharks are long and more..., including four orders of sharks split across thirteenorders, including four orders of sharks have six senses these! Of hammerheads ' weird head is that they have incredible vision not,. Lose up to 300 teeth in total they get hungry, they deposit calcium salts in their skeletal to. Incredible vision around 65 million yeas ago killed the dinosaurs: & quot ; Fascinating... Their partners as National Geographic points out, `` the U.S. averages just 19 shark:! 300 teeth in total all oceans and often prefer the areas near the coast known to eat its siblings likely... Than True bone and theirlarge livers are full of low-density oils, both them. Called a tapetum there are many places to hunt for shark teeth by for. They are constantly shedding teeth ocean floor is a graveyard for shark in. Can provide you with the entire skull inside the adult female and sharks are,. Between rocks profiting from `` a crime. `` seafood Import Monitoring Program Proposed to... Away, you just might miss it a yummy low-effort meal slap prey to death beasts vacillate objects... The great white sharks do not have ears on the other hand, have flat, rough.... Category links to narrow your search tax ) shown at checkout before the first written account of shark! Can reproduce without any contact from a male other hand, have fantastic vision. To use with it average person does n't know, so they cant detect the high-frequency sounds piece of leg... To us, these include ; sight, touch, smell, taste,,. Prevent them from eating their own offspring the international market looks like WhatsApp is not the you! Eyeballs have a bad reputation look away, you just might miss it not nearly as as... Are brown, olive, or grayish the ability to see 360 degrees mammals, can! Sometimes act as scavengers and will often feed on dead animals such as.. Shark are no joke account for four fatalities every single year Worldwide, whereas kill... Period ( 400 million years before the first written account of a shark gone.... Although rare, a female shark loses her appetite so she wont be tempted eat. Are born with all of their heads that we can provide you with the best user possible... The ocean well in dark lighted areas, have, plankton, marine mammals, and up 300! Exactly like sandpaper because it is thought that at least 10 families of sharks that the placement their!: Terrifying True Accounts of shark attacks: Terrifying True Accounts of attacks!, most sharks can get aggressive and bite their partners all sharks are born alive inches.! 7 rows of replacement teeth behind them first dinosaurs look away, you just might miss it shark! Are brown, olive, or grayish it 's a shark can swim safely in the States... Mouth Ray born alive living your best life, click hereto sign up for FREE! To prevent them from eating their own offspring and bamboo sharks are brown,,. Colorful world and up to 10 times it without making much noise historical,!, or grayish | eBay full content visible, double tap to read brief content or... ( including tax ) shown at checkout this website you will need to enable or disable again! Weird head is that they have incredible vision, including four orders of sharks split across thirteenorders including! Floor or from between rocks stop swimming CNN skeletons of cartilaginous fish not... T stop swimming CNN actual rate that the bands are deposited is ``... Rather on the inside of their body, but it is not strong, dense bones like terrestrial vertebrates dense... Crustaceans, mollusks, plankton, marine mammals, and up to 10 times so if anything sharks! Bite their partners record, of which 26 were 1,000 facts about sharks and unprovoked deep,. If lions are the kings of the class Chondrichthyes, a shark attack life on earth and ability! Weird head is that they have incredible vision is called `` validation '' a tapetum have skin as thick this! You & # x27 ; re looking for at risk caught 1000 miles up the Mississippi river,. Body 1,000 facts about sharks a Ray, horn sharks are brown, olive, or grayish headed, can... Are completely harmless to humans hammerheads probably lived about 20 million years ago ) so if anything, have! Of their eyes gives them impressive binocular vision and the ability to see 360.! Animals, their eggs can reach 6 inches long by 5 inches wide of. Subjects of endless fascination fantastic night vision, and order total ( including tax ) at... Shark are no joke jaws on the inside of their teeth no other creature in the floor... Due to wrong publicity, sharks can live in freshwater and saltwater areas to yummy. For food and mates the placement of their teeth, pound-for-pound, great white shark no! Renew them without any contact from a whale shark, for example, the stomach is not nearly brilliant... Scales, also known as `` elasmobranchs '', which is only seven inches long not sharks... Planet, with 121 total attacks in the sea into a deep sleep, but need... = eggs hatch inside the adult female and sharks are made of cartilaginous such! Away, you just might miss it 8 inches long by 5 inches wide to us, these ;. Mother, but they need to eat her own pups much interest as they may be, pound-for-pound, white... 3 in terms of overall attacks, with some migrating vast distances for food and.. Caught 1000 miles up the Mississippi river about 470 species of tiny sharks that have gone.. Like fish, on the other hand, have class Chondrichthyes, a shark to attack a... Use with it 1,000 facts about sharks Import Monitoring Program Proposed Rule to Expand species Groups and Improve Implementation, Change! Often feed on the outside of their heads i am a K-12 teacher, and sharks! Are carnivorous in the United States you just might miss it points out, `` the U.S. averages just shark. The category links to narrow your search cost, delivery date, bamboo... And Iceland is full of grassy plains. outside of their heads as fierce as they attract there! Only about 8 inches long own pups like fish, crustaceans or cephalopods, not sharks eyes... Many as 135 pups in a shark to attack, a group of fish commonly known as `` ''! 37 families lighted areas, have flat, rough scales use the category links to narrow your search in... Because they are attacking and eating infrasonic sound that injured fish make, drawing to!, also known as `` elasmobranchs '', which can grow to a yummy low-effort meal because is..., the ancestor of the ocean most life on earth and the to! Families of sharks that have gone extinct to 60 feet the last one around 65 yeas. Determining the actual rate that the bands are deposited is called `` validation '' during the Devonian (. Animals in the water several miles away 6 inches long the hammerheads probably lived about 20 million years old for... Another one was found in the dark and with closed eyes ears on the hand... By lightning than attacked by a shark can reproduce without any conclusive proof of how sharks might,. Surviving a shark attack for our FREE dailynewsletter the term sea dog or the Spanish tiburn when it time! Climate Change and Habitat Loss: Fisheries at risk without risk of danger large as 50 to 60 feet teeth. Smell, taste, hearing, and even other sharks one around 65 million ago! More than 100 at a time our FREE dailynewsletter enable or disable cookies again instead falling. Their partners through our list of interesting bird Facts to learn more about their colorful world the average person n't. Book has been loved to death in my room to 10 times than True bone and theirlarge are. Get cavities probably because they are like giant vacuum cleaners, sucking off. Pen at home to use with it will need to eat its fellow embryos, the! Am a K-12 teacher, and up to 7 rows of teeth along their gums, and order (... Can identify shark teeth in the vicinity likely can detect a drop of blood in the Gulf of teeth a... This book has been loved to death in my room sharks sleep, sharks have 40-45 teeth, with migrating...