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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 10 June 2012 | Great White Shark Cage Diving South Africa

Tuesday, June 12, 2012 |  0 Comment

Author: Alison Towner (Marine Biologist)
Alison has always been fascinated by the Great White Shark - to such an extent that it is believed that she might have been one in a previous life! This qualified PADI instructor and SAMSA skipper who also boasts a BSc(hons) degree in Marine Biology, and an MSc in Zoology. She is happiest at sea where she can study and observe these apex predators in their natural environment and help find solutions to protect them through education and international policies.

Location: Geldsteen
SST: 15.9 Celcius
Visibility
: 6-7m

Crystal clear water, sunshine and amazing shark activity made for another exceptional winter trip with Marine Dynamics today! On arrival at Dyer island sea conditions were a little swelly from the cold front which had just passed days before, keeping us off sea. Conditons soon settled however, and after a ten minute wait we saw our first of 12 sharks! This trip was all about males, with only one female confirmed from the cage. Sizes ranged form 2.8-4.3m. Much to my delight, the very first male shark tagged by us last year 'Zane' showed up towards the end of our diving (see our research blog at www.dict.org.za). This distinctive male measures over 4 meters long and is easily recognisable by the missing tip of his caudal fin (tail) and a black mark of scar tissue from an old satellite tag (deployed on him in 2004). We have acousitcally tracked him with a radio tag for hours hunting seals in shark alley, but we rarely see him on the western reefs of Dyer Island , so this was a nice suprise! The trip was topped off by a magesitc solitary Humpback whale circling our anchor float. Furthermore we were surrounded by some very large southern Giant Petrols some of the biggest scavenging seabird species seen in the Dyer Island area. All in all, a great trip was had by everyone, see trip advisor for our guest comments!



If you are looking to get up close and personal with the great white shark then Great White Shark Cage Diving in Gansbaai, and more specifically with Marine Dynamics, is a once-in-a-lifetime experience you won’t want to miss. Book online with us and get a free video of your encounter with the world’s apex predator.

 

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