• Shark cage diving in Gansbaai, South Africa with Marine Dynamics. Experience the exceptional and come face to face with a great white shark! 

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

  • 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 15th September 2012

Tuesday, September 18, 2012 |  1 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.


On anchoring in our inshore location Joubertsdam, we were immiediately being circled by a 4 meter female shark! This particular animal we have logged in our database from previous years, she has grown substantially. During summer months, white sharks use inshore 'reefy beach areas' more frequently. Coupled with this, we see a pauity of animals at Dyer Island. The compostion of sightings inshore tends to be large female and juvenille dominated. Todays trip saw some impressive sized females make an appearance, infact four of the 12 sharks sighted were between 4-4.5m Total Length... making our dive cage look small! With the bright sunshine and milky turbid water, the sharks appear a very dark blackish colour on their anterior surface. Everyone had splendid dives, and after the trip we ran up to Dyer Island to see the seals. Interestingly, despite the apparent lack of shark activity at the island, the seals were grouped up close to the beaches of Geyser rock. A great Spring day all round!

Guest comments:

Staff excellent! Thank you, so accomodating especially to those who couldnt dive. Great experience! Jennie and Tom Howard

Really top notch, I will be telling all of my friends to book with you! Wonderful thank you! Suzie Sharron

Very well run operation and awesome conservation for the marine animals! Matthew Boyle



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