Thursday, May 19, 2011

Great White Sharks


This post is probably long overdue, I've been wanting to research about the different types of sharks for a while now and I finally have the time and energy to! Yay! 

For the next couple of days, I'm going to be watching videos and researching the different types of sharks starting with the Great White Shark, which is considered to be one of the most dangerous types of sharks as they will eat ANYTHING and EVERYTHING! Yes, that includes us, humans, as well as other sharks! Yikes... What I found hilarious though, is that Great Whites don't like the taste of human and they attack based on curiosity or mistake them for seals. A horrific thing about the Great Whites is that they are able to jump out of the water to catch their prey.
How can you determine Great White Sharks from the rest? Well, first of, they've got a white underbelly and the top part of the shark ranges from brownish grey to black. And the average size of a Great White is 15 - 20 feet. Though some have been found to be 26 feet in size. (That's pretty scary considering that is probably TWICE my size!) They've got a torpedo kind of shape to them. And their teeth form a shape of triangles.

Great White Sharks are ovoviviparous, meaning that they produce eggs which then hatch within the body. They can give birth to 2-14 pups at a time! Their gestation period is around 14 months long.

Are these sharks dangerous? Yes, they have been the cause of a lot of deaths in temperate waters.

Where can they be found? United States, South Africa, Japan, Australia, New Zealand, Chile and the Mediterranean.

A test was conducted (something I saw on the Discovery Channel) to see which color most attracted a Great White Shark between red, yellow and black. The reason red was chosen was because sharks can smell blood from miles away which attracts them but does the color attract them too? Yellow was chosen as sometimes life jackets are yellow and black because diver suits are black. The result was astonishing to me. With the black, NO sharks came close, with red, they were curious but didn't seem to budge and with yellow, the sharks immediately became aggressive. So a helpful hint: Do NOT wear anything yellow when diving into the sea. 

Stay tuned for more shark fun!

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