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whale sharks

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debbie ellenbarger

on 20 March 2013

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Transcript of whale sharks

whale shark the whale sharks diet the whale shark is a basking shark, meaning it mostly filter feeds through plankton, so that means it lives in warmer temperature oceans because that is where plankton is most abundant, and its food web is simple. it eats by opening its mouth about 4.9 feet to allow alot of water in, then it traps its food before allowing the extra water out of its mouth. it sometimes eats small fish that get trapped in its path and floating crustaceans. it is omnivorous because it can also eat plants if needed. a whale sharks habits whale sharks do not swim in groups, they are randomly dispersed through out the oceans. however they do not like being alone, so they often swim close to schools of fish. the fish and the whale shark have a symbiosis relationship because the fish benefit from the whale shark, they use the whale shark as a shield to hide from other predators nearby. they also store oil in their livers, this helps them float in the water. they are not endangered but there aren't alot of them left because of hunters and overfishing. it had a population crash once until someone spotted one off of an island and when investigated, turned out their were several living in one spot which was very unnatural. ^-^ fun facts ^-^ whale sharks pay no attention to boats, why would they need to with there size? so fisherman have to watch out for them so there arnt any 'accidents'.

they largest whale shark caught was 40.5 feet long, people claim there is one bigger but there is no proof to prove their claim.

whale sharks don't have bones! instead their made of the same thing your ears are, very hard cartilage.

whale sharks can live well over 100 years.

they are vulnerable, because they don't reproduce very much when the migrate and they take a long time to grow. citations http://www.iucnredlist.org/details/19488/0 http://marinelife.about.com/od/fish/tp/Facts-About-Whale-Sharks.htm http://en.wikipedia.org/wiki/Whale_shark common knowledge what is a whale shark exactly? it is a very large tropical shark, it is people friendly and you can even ride on it! the largest whale shark grew to 40 feet. whale sharks are as big as some whales, and lives in warm tropical waters like the pelagic, and tropical reefs. it has between 300 to 350 small rows of teeth, but they are not often used. did you know all sharks have tongues? they do, but they are not able to move them. they can still taste their food like we do, which is usually the reason why they don't eat people after they attack them. they spit them out because they realize we are not a part of their food chain. whale sharks are overall large fish with several extra fins so they can swim easier through rough reef currents, they have white spots all over there body and a almost invisible yellow grid on their skin with a certain amount of spots inside each square. videos http://www.youtube.com/watch?feature=player_detailpage&v=_B8qiqeDrI0 http://www.youtube.com/watch?v=AvJDAxx1ITQ
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