Education and Science
Interesting Facts About Great White Sharks for Kids
Updated on August 7, 2013 sharkfacts moreContact Author Melissa margin:0px !important;” /> Here are some fascinating facts about great white sharks especially for kids.
Great white sharks are apex predators of the ocean, just as man is the apex predator on land.
Apex predator means being top of the food chain; it means having no enemies that can’t be beaten.
The only creatures in the world that can kill great white sharks are orcas and humans, though this wasn’t the case a couple of million years ago when megalodon sharks ruled the seas.
While there are many wild animals on land that are extremely dangerous to humans, ultimately humans are more powerful because we have developed weapons to use, and are not dependant on physical strength alone.
Many of our seas are filled with dangerous sharks, but the largest predator of all is the white pointer, which is another name for the great white shark.
The only sea creature that could possibly match the strength of the white shark is the orca, which is another name for the killer whale.
Orcas aren’t even whales, they are dolphins, but they kill whales which is why they are called that.
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Great white sharks are huge and very powerful fish.
They have a very important role in keeping the oceans clean. They not only eat, or at least take a bite out of, anything that is in the ocean, they eat weakened, sick or injured sea creatures.
This ensures that none but the strongest survive.
You will have heard of the expression “Survival of the fittest”?
In the seas and oceans of planet Earth, this is especially true. There are no undersea doctors and surgeons to patch fish up when they are injured or sick.
What do great white sharks look like?
Great white sharks, known scientifically as Carcharodon carcharias, are white underneath and grey on top.
Their sides can have a a blue or brown tint.
Their tail fins have two lobes of equal size, and their snout is conical shaped, like a pyramid lying in its side.
Their mouths are wide and lined with serrated and pointed teeth that are designed for gripping and ripping.
Great white sharks attack prey from below. The victim will never see a flash of white as this huge fish rises rapidly towards the surface like a torpedo. Their blue-grey uppers are perfectly disguised in (and by) the sea.
They frequently breach the surface of the water as they catch their prey.
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Great whites have 48 – 50 frontal teeth at any one time; 22-24 along their top jaw, and 24-26 along their bottom jaw.
Just behind this row of teeth, they can have between 5 – 7 rows of teeth ready to move into the frontal position should the shark lose a tooth, which they do, every other day.
The number of rows grow all the time. As a tooth is lost at the front, so more grow right at the back, so that the shark is never toothless at the front.
So at any one time, a great white shark can have 350 teeth in its mouth, but over a lifetime will go through thousands of teeth.
Sharks need their teeth because they use their mouths for everything.
Unlike us, they have no hands, nor have they flippers like dolphins.
When they come across a strange object in the ocean, they use their mouths to bite it, to test and see what it is.
This will explain why sharks have probably accidentally ingested inanimate objects like metal plates and car tires. Once in their mouths, it is easily swallowed, even when the action is not intentional.
How big do great white sharks get?
Great white sharks can grow to 20 feet (6m) in length, but they are typically smaller.
The average female grows to 15′-16′ (4.5 – 5m), while the smaller male reaches 11′-13′ (3.5-4m).
Tales of great white sharks reaching lengths greater than this are greatly exaggerated!
A 20 foot long great white shark is huge! At that size it will be six feet tall and eight feet wide.
How to convert Centigrade to Fahrenheit
Multiply the Celsius temperature by 9
Divide the answer by 5
Add 32 to the answer.
25 degrees centrigrade is therefore 25 times 9 which is 225. Divide this by 5 and you have 45, then add on 32, which equals 77.
So 25掳C = 77掳F
Where do great white sharks live?
Great white sharks, also known as ‘white pointer sharks’, or sometimes just ‘white sharks’, live in the coastal, temperate regions of the world’s seas.
They avoid the red areas of the map shown (which signifies sea temperatures of 25 – 30 degrees centigrade), preferring the cooler yellows and greens.
Scientists tell us that great white sharks prefer to live in the cooler waters of 12 – 25 degrees C.
Look at the map and you will see the sea temperatures throughout the globe, the red signifying warmer waters.
From the map, we can see that great whites live in the
Pacific Ocean, along the eastern seaboard of both America, South America, Australia, New Zealand, China and Japan
Indian Ocean off South Africa and the western coast of Australia
Atlantic Ocean, off the eastern coast of both the USA and South America, North and South Africa, France, Portugal and the Mediterranean Sea.
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Everything, would be the correct answer.
When their bellies have been cut open, tin cans, old tires, metal plates and signs and all sorts of inedible junk have been found inside their stomachs.
Their main diet, however, is fish, seals, dolphins, other sharks, crustaceans, turtles, sea otters, whales and even sea birds (they can leap out of the water).
Everything in the sea is a potential meal to the great white, including its own offspring if it is hungry enough.
Do great white sharks have predators?
The orca, also known as the killer whale (even although it is actually a member of the dolphin family) can kill the great white shark.
They do this by butting the great white shark and rolling it onto its belly.
In this position, the great white shark becomes paralysed and unable to fight off its attacker.
Bigger sharks can also attack and kill the great white. They could even be other great whites.
Man could be considered to also be a predator, though we do not live in the seas.
Do great white sharks sleep?
All sharks need to sleep.
While some rest on the ocean floor, others can ‘rest’ one side of their brain at a time, allowing the other side to remain alert for predators or food, while moving through the water.
It is widely believed that great white sharks have this ability. It is certainly known that they cannot rest in one position for long, as they need to move to keep oxygen flowing through their gills.
If one side of their brain effectively shuts down, allowing the other to take over, then great white sharks do indeed sleep, probably during periods after they have fed well.
While some sharks have a circadian rhythm that require them to sleep at definite intervals, like humans, it is unknown whether or not the great white has this need.
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It is unknown exactly at this time, but it is believed that great white sharks can live for 30 years or more.
They do not start reproducing until they are about 14-15 years old, just like humans.
It is possible that white sharks can live as long as us!
Hopefully this is something we will learn in our lifetime, as more and more sharks are being tagged and observed by scientists.
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Scientists are still learning about the reproduction cycle of the great white shark, but it is known that the female is pregnant for 11 months, and that she gives birth to live young.
She starts off with fertilized eggs that hatch while in her uterus. The unborn baby sharks then eat each other to survive, as there is no placenta and the mother shark does not offer any sustenance to her little ones.
Out of hundreds of eggs, only 7 – 9 shark pups survive to be born.
Most shark pups are born in spring and summer, and then the mother shark just swims away and leaves them to defend themselves!
Of course, by this time, white shark pups have honed their killing skills and should be able to hunt for food themselves, though most of them end up getting eaten by other sea creatures before they get the chance to grow into bigger fish.
Are great white sharks mammals?
No, they are fish.
The word ‘mammals’ is derived from the Latin word ‘mamma’ meaning “teat” or “pap”, and refers specifically to mothers who produce milk for their young.
The great white shark, who is quite possibly the worst mother in the world, does not do this, and so she is a fish.
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In fact they have eaten more people than any other shark, apart from maybe Oceanic whitetips who are known to have eaten shipwrecked sailors at sea, although they are not usually aggressive.
Great white sharks are the garbage collectors of the sea.
They eat almost everything, and in doing so, help keep the oceans clean and free from natural pollution. (man-made pollution is another thing entirely).
Great whites eat dead, sickly and dying sea creatures, as well as just about everything that moves, and even things that don’t move!
When it comes to humans, however, the great white has probably never seen a human before, and may well take a ‘test bite’ to see what we taste like.
Most great whites take one bite and then leave well alone because we are not salty enough for them and have too many bones, but if they are hungry enough, they will come back in for the kill, like they do with seals and sea lions.
Unfortunately for us, the bite of the great white shark is so severe that we suffer horrendous injuries and sometimes die, from just one bite.
How many great white sharks are there?
Scientists just do not know.
It is only recently that scientists have started tagging sharks to track their movements at sea, and to help learn more about them.
All they do know is that there are less white sharks than there used to be. Like all sharks, the great white is being fished to extinction, mainly for its fins which are used as a delicacy in Asia.
The great white shark is now classified as vulnerable on the IUCN list of endangered species.
IUCN stands for International Union for Conservation of Nature.
10 fascinating facts about great white sharks
Sharks don’t have bones and a skeleton. The main framework of their bodies is made from cartilage, which is the same substance our noses and ears are made from.
Great white sharks have a heightened sense of smell and can detect a single drop of blood in the ocean from 5 miles away.
When a great white is attacked (by man or by an orca), all other great sharks in the area will disappear. This suggests that sharks communicate with each other.
Great whites are at the top of the oceanic food chain.
They can last up to 3 months without food, before feeling hungry again, after a good meal.
Great whites have never been bred in captivity. In fact, great whites do not survive for long in aquariums, and die off fairly quickly after repeatedly banging themselves against the sides.
The biggest great white shark ever caught was 21’8″, caught by Australian Vic Hislop in 1985.
Pups of the great white shark are 5′ long (1.5m) at birth.
Adult great whites can swim at 43mph (69km/h) when chasing prey.
An adult’s tooth can measure 2.5″ long.
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sendingkhalid 22 months ago
Kept private 3 years ago from Northeast United States
Awesome hub :). I’m a shark lover and have been reading about them for years. As far as Great Whites eating people (factual to a point) They do not like the taste of human flesh and are not as scavengers as bull or tiger sharks which are responsible for more attacks. (Just giving some input what I have learned over the years). Thank you. Have a wonderful week.
ermnerm 4 years ago
Gaz I agree it would be bad if we lost these creatures.
GAZ 4 years ago
I know they are people’s nightmares but it would be a very sad day if we lose these creatures.
I feel Spielberg, has a responsibility to shark conservation.
monoply man!!!!!!!!!!!!!!! 4 years ago
i love great white sharks, but not as much any more bc i found out that my moms great great great grandma got attacked by a great white, tho i don’t know if it killed her.
Moe 4 years ago
Authorsharkfacts 4 years ago from UK
You are welcome! If there is anything else she needs to know about them, just post a question here and I will do my best to answer 🙂
Moe.. 4 years ago
This is so cool..My daughter is in the 3rd grade and she is doing a project about the ”The great white shark ” and this is so helpful…Thank you so much
bob 4 years ago
Kahn 5 years ago
Very scary to be in the ocean
ncd 5 years ago
According to the Global Shark Attack files, the great white shark had been involved in 157 attacks on humans, with a further 77 deaths. The bull sharks had attacked 71, with a further 33 deaths, at the time of writing this article (and there have been a few more white shark attacks since). That is not to say that what you say is incorrect, because in most shark attacks in history the type of shark involved has not been identified, and it is certainly true that the death rate from bull shark attack is proportionately higher.
the corrector 5 years ago
the part of the article where you wrote about great whites eat more people than any other shark is false, in facr the bull shark has been reported to have eaten and attacked more people that the great white shark .
shark man 101 5 years ago
thx for the info im also as scared of sharks as muvh as you are bt i love the gws and i will ONLY DIVE WITH THEM IF IM IN A CAGE
Uin 5 years ago
Jarrod 5 years ago
Great and informative article. Thx.
werbeartikel online 5 years ago
nice blog.. :p funny sharks
Thanks, yes that is quite an ability. Pity we can’t do it!
JP Carlos 5 years ago from Quezon CIty, Phlippines
Such a fascinating and informative hub on the Grat white shark. Shutting the brain one side at a time to rest is an interesting talent. Voted up and shared.
jelevan 5 years ago
I never knew about all these things about shark,that one was a fascinating information,it was really very informative and I’m really surprise i actually read the whole article.
Frank Hobson 5 years ago from Dumaguete City
Very good Hub. I shared it on my Facebook and Twitter. I just did a very good Hub also. I hope you will stop by. Awesome and voted your Hub up. Thanks
A girl after my own heart! I have a lot of time for sharks but there is no way I’d ever get in the water with them!
jines86 5 years ago from Hawthorne CA
i am a shark lover but also scared of them:)
this guy 5 years ago
wow ok way to stay on topic
he forgives you.
Hi Lucky, tell trashcan sorry about the typos in my reply to him. Hope he reads typo-speak!
trashcan is my brother.
Hi trashcan, sharks seldom if any battle as they operate a rank system not unlike that of a pack of wolves. They have signals and movements they make to each other, and once the dominant male is decided between them, they go on their way with the dominant make getting the food (or female, maybe). No-one has ever witnessed great white sharks mating, and so little is known for sure.
just like mikayla,i have a project.
and if you’r mikayla poulan,hi!i’m david.
lie 5 years ago
the sharks are3 dangeroussssssssssss!!!!!!!!!!!.
nah 5 years ago
All the better to bite you with! lol Thanks!
Lucky 15 5 years ago
Awesome page! I didn’t know that sharks had 350 teeth in it’s mouth!
I totally agree – they are such amazing creatures!
iwriteforyou 5 years ago from United Kingdom
I think sharks are fascinating for all ages. Capable of amazing power and aggression yet still have the ability to glide around the oceans in graceful silence. Really enjoyed reading this one. Great stuff.
Thanks I also hope it is a resource for school children, who find sharks, especially the great white, fascinating.
Julio 5 years ago
Great Whites are very dangerous but not that dangerous as his brother was
Mikayla 5 years ago
Lol Tygeo. I wonder if you’re in my class… I have a shark project too and came here!
Emm…thanks, I think 🙂 Anything else you need to know, just ask 🙂
Tygeo 5 years ago
This really is helping with my shark project thanks a bunch for who ever put this up PEACE TO YOUR FACE!!!!!!!!!!!!!
Authorsharkfacts 5 years ago from UK
Thanks Pamela-anne. I thoroughly enjoyed writing this one, as great whites are amazing sharks!
Pamela-anne 5 years ago from Miller Lake
This was a great article on great white sharks had a lot of information on this amazing creature really enjoyed was a really good read!
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