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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 23 Feb 2012

Thursday, February 23, 2012 |  0 Comment

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: “Wow! Everyone should do this! Great times.” Wendi Wheeler.


23/02/2012
Location:
Joubertsdam
Water Temperature: 19.5'C
Depth: 10.9m
Visibility: 2m
Number of Sharks: 11
Conditions: Sunny with some swells.

We were the only shark cage diving company to go out today, which was great! We had the whole area all to ourselves. The conditions were forecast to be bad; however our experienced crew monitored the sea and saw that the conditions were turning into the perfect day! We had brilliant weather on the boat today; the weatherman sometimes gets his predictions wrong!
There were an abundance of sharks in the water, the majority were relatively young individuals with lots of energy. Many of our guests were sad to leave, but unfortunately all good things must come to an end! There is always next time...
 

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.

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