how many rows does a whale shark have
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- That kind of number is going to change from shark to shark. The point is that sharks keep growing teeth throughout their lives - no matter how many they lose, they will never run out. Answer 3: Typically a shark has two to three working rows of teeth with 20 to 30 teeth in each row, although a whale shark has about 300 teeth in each row. The replacement rate has not been measured in most sharks but normally the teeth seem to be replaced every two weeks. Click Here to return to the search form.
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Whale shark The whale shark is the largest non-cetacean animal in the world. The average size of adult whale sharks is estimated at 9.7 m (31.82 ft) and 9 t (20,000 lb). Several specimens over 18 m in length have been reported The largest verified specimen was caught on 11 November 1947, near Baba Island, in Karachi, Pakistan.
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Whale Shark Feeding Habits — Whale sharks are filter feeders that employ at least two basic techniques to gather their food. The first is a more passive method that involves the shark swimming into a school of fish with its mouth open. As it swims, it bobs its head back and forth to sweep in the greatest number of fish.
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Fish jaw Generally sharks have only one layer of tesserae, but the jaws of large specimens, such as the bull shark, tiger shark, and the great white shark, have two to three layers or more, depending on body size. The jaws of a large great white shark may have up to five layers.
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Whale Sharks Fast Facts The only known predator of the whale shark is humans.The mouth of the whale shark is massive, reaching a width of approximately 1 meter (over 3 feet). Only 3 shark species (the whale shark, the basking shark, and the megamouth shark) are filter feeders, straining their prey from the water column.
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- In September 2017 in Rarotonga, the Cook Islands, two adult humpback whales were observed protecting snorkeler and whale biologist Nan Hauser from a 4.5 m (15 ft) tiger shark, with one whale pushing the woman away from the shark while the other used its tail to block the predator's advances.
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- An egg of the whale shark found in the Gulf of Mexico measured 30 cm (12 inches) long by about 14 cm (5.5 inches) wide and was 8 cm (3 inches) thick. Protected by the shell and nourished by the abundant yolk, the embryo of an oviparous species develops…
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Whale shark Body structure. The whale shark is enormous and reportedly capable of reaching a maximum length of about 18 metres (59 feet). Most specimens that have been studied, however, weighed about 15 tons (about 14 metric tons) and averaged about 12 metres (39 feet) in length. The body coloration is distinctive.
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TYPES OF SHARKS WHALE SHARK: 1  biggest shark and biggest fish. 2  it isn't a whale (whales are mammals, not fish) 3  grow to 45 feet long and 30,000 pounds, but average about 25 feet long.  filters plankton from the water using gill rakers.
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- Female killer whales can grow up to 26 feet (7.9 meters) with a 3 foot dorsal fin while males are larger than the females growing up to 28 feet (8.5 meters) with a 6 foot (1.3 meters) dorsal fin. Killer whales have 48 to 52 teeth that are large and conical shaped as well as slightly curved back and inward.
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Whale Shark The skin of an adult whale shark can be as thick as 4 inches (10 cm) and has the consistency of strong rubber, which limits possible predators to killer whales, great white sharks, tiger sharks and humans. Color. Whale shark has a two-toned pattern of light spots on its dark gray back with a white underside. Each whale shark has its own individual spot pattern; like human fingerprints, no two are exactly alike. Teeth. Teeth of the whale shark are tiny and pointed backward; they are thought to have no function in feeding.
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- Meet the Whale Shark's Closest Relatives. WHALE SHARK. Whale sharks are members of the carpetshark family. Some carpetsharks are flat and live on the ocean floor. Some look more like snakes than sharks. Many are also just a foot long, yet the biggest fish in the world, the whale shark, is also a carpetshark. All carpetsharks have several features in common: two spineless dorsal fins, mouths in front of their eyes, and odd-looking sensory attachments called barbels that most often extend from their nostrils or jaws.
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- Baleen whales are large species, usually over 33 ft (10 m) long. They are filter feeders, living on shrimplike krill, plankton, and small fish. They lack teeth but have brushlike sheets of a horny material called baleen, or whalebone, edging the roof of the mouth.
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Age and Growth in Sharks Band pairs are counted like rings on a tree and then an age assigned to the shark based on the count. Thus, if the vertebrae has 10 band pairs, it is assumed to be 10 years old. Recent studies, however, have shown that this assumption is not always correct.
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Yellow Fever The yellowing occurs because the disease causes liver damage, hepatitis. For some people, yellow fever has no initial symptoms, while for others, the first symptoms appear from three to six days after exposure to the virus from a mosquito bite. An infection with yellow fever typically has three phases.
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Top 6 largest fish species The whale shark (Rhincodon typus) is a slow-moving filter feeding shark and the largest known extant fish species. The largest confirmed individual had a length of 12.65 m (41.50 ft) and a weight of approximately 21.5 metric tons (47,000 lb), and unconfirmed reports of considerably larger whale sharks exist.Claims of individuals over 14 m (46 ft) long and weighing at least 30 metric tons (66,000 lb) are not uncommon.he largest confirmed individual had a length of 12.65 m (41.50 ft) and a weight of approximately 21.5 metric tons (47,000 lb), and unconfirmed reports of considerably larger whale sharks exist. Claims of individuals over 14 m (46 ft) long and weighing at least 30 metric tons (66,000 lb) are not uncommon.
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How Many Types of Sharks Are There They range in size from the small dwarf lanternshark (Etmopterus perryi), a deep sea species of only 17 centimetres (6.7 in) in length, to the whale shark (Rhincodon typus), the largest fish in the world, which reaches approximately 12 metres (39 ft) in length.
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Fact Sheet: Whale Sharks Whale sharks are viviparous, but they have no yolk placenta (aplacentally viviparous). The often found huge egg capsules are simply premature pups. Whale sharks thus do not lay eggs. The offspring are born in the mother's body out of egg capsules. Up to 300 young have been counted in one female. Their size at birth lies between 55 and 64 cm.
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Facts About Whale Sharks They have rows of over 300 teeth, but as filter feeders they do not use these teeth to eat. Habitat Whale sharks tend to like warmer areas and are found in tropical waters all over the world.
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10 Huge Facts About Whale Sharks THE BIGGEST ARE ABOUT 40 FEET LONG. It’s often said that the whale shark’s maximum length from end to end is about 45 feet, but this is a fish story. The longest verified measurements of live (or recently dead) specimens are in the 40-foot range.
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How many rows of teeth does a shark have? Sharks generally have five rows of teeth with about 46 teeth in each row. Depending on the species, they have an average total of 230 teeth. For example, Great White Sharks ca…n have 50,000 teeth in a lifetime. These teeth are set in layered rows with 5 to 15 in both upper and lower jaws.
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- The largest on record measured 12 metres in length. But there’s no need to panic – this gentle giant is a plankton eater. Not only is the whale shark the largest living shark, it’s also the largest living fish period. A typical whale shark measures 5.5 to 10 metres in length. The largest on record, caught off Pakistan in 1947, was over 12.5 metres in length. It weighed 25,400kg – around 4 times larger than a large male elephant!
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Whale Shark Facts & Figures Biology. Size-Whale Sharks are reputed to have been seen up to 18m (60ft) long but the official world record size, which is listed in the Guinness Book of World Records, is 12.65m (41ft 6in), we believe that there are larger ones, but in general the most common size seen in Utila is between 6m and 10m (20ft and 33ft).
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- 10 Whale Shark in the Sea of Cortez Less commonly seen is the whale shark (pictured above with attendant remoras). The world's largest fish species, the whale shark is a filter feeder that is attracted to the gulf’s abundant plankton.he gulf covers an area the size of Ecuador-or about 109,000 square miles (282,000 square kilometers). In the image above, the Midriff Archipelago in the Sea of Cortez can be clearly seen, with the two largest islands, Isla Tiburon on the left, and Isla Angel de la Guarda on the right.
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- Whales fall into two groups: baleen and toothed, like this sperm whale. Despite impressive teeth, sperm whales use suction to pull in prey. They have been known to dive over 6,500 feet and remain under water for more than an hour in pursuit of giant squid.
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- 3) Whale … s sharks have the same cartilaginous skeleton structure as other sharks Tthe reason its called WHALE shark is because it is the largest of all the sharks, and as whales are the currently biggest mammals on the earth it only seems appropriate.he only thing it got in common with whales is its  size.  A Whale Shark is a fish and a member of the shark family. It is  called a Whale Shark because the grow to very large size.