Presentation Notes for Sharks
Transcript: Bull Sharks Requiem sharks, depending on the breed, can range from less than 40 inches to more than 24 feet. They are commonly seen in the Gulf of California How Many Types of Sharks Are There in the World? Sharks are known for having an aggressive attitude. They also have a reputation for biting humans but it is because they think we are aquatic animals. What Do Sharks Eat ? Blacktip Shark Citations Bull Shark Territory Sand Tiger Shark Sharks Sharks have adapted to living in a wide range of aquatic habitats at various temperatures. While some species inhabit shallow, coastal regions, others live in deep waters, on the ocean floor and in the open ocean. Sharks The Bull Shark: No Shrinking Violet. (n.d.). Retrieved June 01, 2016, from http://sharkopedia.discovery.com/types-of-sharks/bull-shark/ Tiger Sharks - Tiger Shark Pictures - Tiger Shark Facts - National Geographic. (n.d.). Retrieved June 01, 2016, from http://animals.nationalgeographic.com/animals/fish/tiger-shark/ Tiger shark. (n.d.). Retrieved June 01, 2016, from https://en.wikipedia.org/wiki/Tiger_sharkr-trust-a-tiger-shark/ Video: Never Trust a Tiger Shark. (2016). Retrieved June 01, 2016, from http://outdoors360.com/video-nev While some shark species are solitary, others show more social behaviors. One example is Hammerhead sharks that school during mating season. Other sharks such as the Great White surprise their prey, usually seals or sea lions, by attacking from below. Fun Fact More people die from vending machines than sharks per year as of 2011. Goblin sharks are among the deepest swimming fish in the ocean. They can grow up to 12 feet long and 450 pounds. Not much is known about their behavior. Fun Fact Top Five Deadly Sharks "Fish are friends not food" The New York Times reported in July 2008 that there had been only one fatal attack in the previous year. On average, there are 16 shark attacks per year in the United States with one fatality every two years. Citations How Humans Use Them They have several rows of teeth that can number in the thousands. As teeth fall out, they are rapidly replaced by those in the row behind. Once they spot a target, they use a burst of speed to bump their prey while biting it at the same time. #5: Blacktip Shark #4: Sand Tiger Shark #3: The Great White #2: Tiger Shark #1: The Bull Shark Tiger Shark Specified Sharks The End. These eel-like sharks reach about 6.5 feet long and are very specialized for the deep ocean. They eat mostly squid as adults but there's no data on juveniles. They eat a variety of different fish. As well as seals, sea lions, and other marine mammals. More people die each year from falling coconuts than shark attacks. Danger, Attacks, Deaths? They have a mouthful of sharp teeth that point in all directions even when the mouth is shut. They can continuously float through through the water by storing surface air in their balloon-like stomachs. Baby sand tiger sharks devour their siblings in the womb. How They Behave There are a wide variety of sharks in the sea. Such as the ones listed. Blacktip sharks have been observed to live in separate boy/girl schools except during the mating season. They have been spotted leaping from the water, rotating several times, and splashing down onto their backs. This is thought to be part of their feeding strategy. They are a species of requiem sharks which are responsible for a large number of human attacks. These sharks are known to eat a variety of strange things.Due to this, they do not usually swim away after biting a human. Stomach contents of captured tiger sharks have been known to contain jewelry, licensed plates and old tires. There could be a billion or more sharks in all the oceans around the world. Today, scientists believe there are more than 400 different species of sharks in the world. The smallest of these-the dwarf lantern shark-is less than seven inches long. Frilled Sharks Shark Fins - Used for everything from "Chinatown food" to pet food. Shark Cartilage - A very popular dietary supplement Shark Livers - The derived oil from them is used for cosmetic and medical purposes. Every year around 75 attacks are reported worldwide. Despite their relative rarity, many people fear shark attacks after occasional serial attacks, such as the Jersey Shore shark attacks of 1916, and horror fiction and films such as the Jaws series. They are the most aggressive, and invasive species of all sharks. They live in warm shallow water. The largest Bull shark was 12 feet long. Where Do They Live? Requiem Sharks Great White Shark Goblin Shark Blacktip Shark - Shark Pictures - Blacktip Facts - National Geographic. (n.d.). Retrieved June 02, 2016, from http://animals.nationalgeographic.com/animals/fish/blacktip-shark/ Frilled shark. (n.d.). Retrieved June 01, 2016, from https://en.wikipedia.org/wiki/Frilled_shark Goblin Shark Animal Profile. (n.d.). Retrieved June 01, 2016, from http://kids.nationalgeographic.com/animals/goblin-shark/#goblin-shark-jaw.jpg