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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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Sharkwatch SA Blog

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Daily Blog 13 May 2015 (Trip 1) | Shark Diving South Africa

Author: Kelly Baker (Biologist)

Guest comment: “Truly an amazing experience! Boat was awesome, crew was very skilled and personable, 1st class from start to finish. Thanks!” - Robert

I finally see how graceful these animals are and was amazing and inspired by the team and how everyone is working together! You guys rock!” - Sofie

One of the best experienced! The entire trip was extremely enjoyable!” - Vignash + Darshana

13/05/2015

Location: Wilfred's Klippe
Water Temperature: 14.5'C
Depth: 18.7m
Visibility: 5.0m
Number of Sharks: 10
Conditions: Overcast skies with low swells and increasing winds.

Guess where we were today?...The Island! Today marked the first day of what is may be our Winter diving season and what a day it was. We anchored just to the South East of Geyser Rock close to a site we know as Wilfred's Klippe, we had tried the Island previously about 2 weeks ago and had no luck, however today was much different. The first shark arrived 30 minutes after anchor and came crashing in with a bang as it leapt up at the bait line. This activity seemed to attract more individuals as new sharks continued to arrive after this. The majority of the sharks we saw today were over 3.5m in length and active, with the largest a big beautiful female with a size estimated at approximately 4.3m. This female had one very distinctive feature, other than her impressive size of course, and that was a distinctive rosie on her dorsal fin. Rosie's are white pigmentation naturally seen on the shark's dorsal or caudal fin. This rosie was so distinctive that one of our crew members instantly recognised her as “Hourglass”. This name comes from the shape of her pigmentation and she has been documented in our database since 2008 when she was a much smaller individual. Welcome back “Hourglass”, it is always fantastic for us to recognise a returnee especially one who has been visiting the bay for so many years and continues to do so whilst growing and appearing healthy! Moments after our sharks arrived an Indian yellow-nosed albatross was spotted gliding on the winds in the distance. This is one of a few species of Albatrosses that we can see in the area especially during the months of April and May. A nice sight for all with this bird classified as Endangered on the IUCN Red List 2004. Not to be out done by the birds and fish we also had a gentle marine giant come close by, we are getting closer everyday to our Whale season however there is always that very slight chance throughout the rest of the year of spotting one of the other species out in the bay, like today when the spout and dorsal fin of a Bryde's Whale was spotted about 100m away passing by. A quick drive by Geyser Rock to look at the Cape Fur Seals rounded of this amazing day. A fantastic start to what we hope will be a fantastic season at the Island...

 

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

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