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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 17 Feb 2012

Friday, February 17, 2012 |  0 Comment Tags: 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: “Nicola is an awesome guide, enjoyed the whole trip!” Jared Lawrence.
 
17/02/2012
Location:
Joubertsdam
Water Temperature: 19.8'C
Depth: 9.6m
Visibility: 1.5m
Number of Sharks: 10
Conditions: Sunny and windy!
 
Thanks for the nice quest comments guys, I really appreciate it! Today we had lots of sunny weather, but unfortunately the wind started to pick up later through the day. This caused our visibility to go down dramatically! We had an amazing sighting of a sting ray on the portside today, it was a huge one! I only wish it stayed around longer, but with big sharks swimming around I fully understand why it left! We had lots of 2m sharks today and a couple of our regular big boys stopped by to say “hello”! Good day...
 

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