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  • In Gansbaai, the largest white shark ever caught was at Danger Point and measured up to 5.9m. The exact world record white shark is a contested issue, but chances are it is between 6-7m.

  • If you see a white shark in the water don’t panic. Chances are high that the shark has already detected you and isn’t interested. White shark attacks are normally associated with poor visibility, so avoid murky conditions.

  • White sharks have a unique system called a “counter current heat exchange”, which keeps their body  tempreture +/- 7C above the surrounding water temperature. 

  • All sharks have an incredibly unique system on the tip of their nose called the “ampillae of Lorenzini”. These are small pores filled with a gel that transmits the electrical currents in the water to the shark’s brain so that it can assess its environment.

  • White sharks give birth to live young (not eggs), and they give birth to 6-8 pups at one time. Pups are usually between 1.0-1.5m in length and are born with teeth.

  • Body language has been a well documented form of shark communication and has identified body arching, jaw gaping, and other postures as specific social tactics.

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Daily trip 22 April 2012 | Shark Diving South Africa

Sunday, April 22, 2012 |  0 Comment Tags: Acoustic tag, Kelp Gull, shark cage diving,

Author: Nicola Stelluto (Environmental Ecologist)
My initial love for the environment occurred at a young age when my father and I use to watch animal documentaries on Sunday evenings. I was hooked on anything ocean related when I saw these amazing submersibles going to such extreme depth in the ocean and discovering previously unseen things. To be the first to go somewhere where no one has been before was the first thing that attracted me to the field of natural sciences.

Guest comment: “Thank you for an amazing experience! This was my first time, but NOT THE LAST! I’ll be back!” Thomas Krydsby.

22/04/2012
Location:
Shark Alley
Water Temperature: 14.0 'C
Depth: 5.6m
Visibility: 4m
Number of Sharks: 9
Conditions: Big swells and some wind.
 
What a fantastic day it was on the water today. We were once again the only boat out today and it paid off heavily! On our way out of the harbour we were given an air show from our sub-antarctic skuas. There were six of them flying within our grasp which made it very special. In Shark Alley we were treated to several large and infamous sharks, namely ‘Slash Fin’ and possibly ‘Nick’. Slash Fin is easy to recognise by his unique fin, as you can see. He gave several great passes and put on a very nice show for our Norwegian clients! It was very special to be able to see so many sharks in about 5 meter deep crystal clear waters! Very special day...

 

For more shark facts and shark updates, also "Like" our Marine Dynamics facebook fan page. If you would like to review your trip online to help others choose the right cage diving company, please visit our TripAdvisor page and leave your feedback. Go Shark Diving in South Africa with Marine Dynamics
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