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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 17 October 2017 | Great White Shark Cage Diving Gansbaai

Author: Kelly Baker (Biologist)

Guest comment: “Awesome crew whose knowledge and passion for their work really shined on the water. Thanks for everything!” – Kevin

“Amazing team of very knowledgeable staff, would have been incredible to see a shark, but still a great day on the boat. Keep up the good work!” – Skye + Natassja

“Great team and nice boat. They did their best to try and fin sharks!” - Markus

17/10/2017

Location:
Joubertsdam
Water Temperature: 14.7°C + 14.8°C
Depth: 10.0m + 8.9m
Visibility: 2.0m + 2.0m
Number of Sharks: 0 + 0
Conditions: Lessening swell and wind and patches of rain.

Rain, hail or shine…Slashfin and her crew found themselves back on the water today after two days off due to a storm front that moved through the area. The conditions had not completely calmed and we found a sizable swell and slight west wind around for most of the day as well as a few short periods of rain, yet we prevailed.

The first trip launched a little later than usual today and once settled on anchor we waited patiently for any sign of a shark approaching. Unfortunately, this morning proved uneventful in regard to shark spotting however some of our guests took the chance to take a dip in the cage and test out the South African section of the Atlantic Ocean.

The second trip of the day was an exclusive for a group visiting from the States. Once on anchor a shark did turn up, out of the blue approached a Copper shark. A common sight around our boat for the last three weeks but not in the past years, perhaps due to the lack of the usual, larger predatory shark, the Great White?! A fantastic sighting in itself, the Copper sharks are sleek and quick, making nice passes by the boat and cage for our guests. A trip to the Islands and it’s Cape Fur seal and African penguin inhabitants finished off this trip and the day.

Another day without White sharks, we are all hoping that we will have good news on shark sightings soon!

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