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Mossel Bay Shark Incident – Details and Pics Print E-mail
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Written by Rob Mousley   
Wednesday, 09 July 2008

We have more details of the incident and some photos of the Fenn Millennium surfski that was chomped by a Great White Shark in Mossel Bay on 28th June.

Shark bite on Kobus Maritz' surfski
Damage to Kobus Maritz' ski

Kobus Maritz' Story

Kobus Maritz, 46, has been paddling surfski for about 15 years - mostly on the Cape West Coast and in Cape Town.  He'd seen small sharks before - hammerheads and other species - but had never encountered a Great White.

He and Jan-Hendrik Barnard had paddled from Mossel Bay Harbor along the coast and had just turned around to come back - and were about 50m from the shore.

They were paddling slowly, chatting together, when the ski was hit.

"At first I thought I'd hit a rock or had been hit by a big seal.  But when the foam and commotion cleared I could see the shark's head.

"It was a solid hit," he said.  "The front of the ski was lifted - maybe 6 inches - out of the water.  He looked as though he was trying to get a good grip."

The shark hit from under the right the ski of the ski - and Kobus fell off on the left side.  The shark let go of the ski and swam towards the tail of the ski - with the ski between it and Kobus - and disappeared.

Kobus clambered onto the ski but the strong offshore wind had already carried his paddle some 10m away.  Lying on the ski, he swam it across to his paddle, grabbed it and got back into the seat.

The ski was sinking - but as the tail dipped below the water, the damaged nose lifted out and he was able to paddle the waterlogged hulk into the beach.

"I chatted to the lead researcher at the SA Marine Predator Lab in Mossel Bay," he said, "and they confirmed that it was a relatively small shark - 2 to 2.5m.

"They said it was probably just inquisitive," he added, "but it felt to me like a fair amount of aggression!"

Kobus said that according to the Shark researchers, they estimate that there are about 200 individuals in the bay, with about 40 individuals present at any one time.  Most of the sharks are fairly small in size i.e. 2-3m in length and they mostly inhabit the area north of Seal Island towards Hartenbos.

"It was a strange thing," he said.  "I couldn't believe it was happening.  And it was all over in probably 10-15 seconds.

 "I'll get back in the water - but I'll avoid that section near Seal Island."


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Jan-Hendrik's Story

On Saturday 28th June we went for a paddle from Mossel Bay Harbor along the coast in the direction of Hartenbos. It was 14h00, overcast with a north-easter blowing, i.e. an onshore wind. The water was not very clear nor was it exceptionally murky.

We try and stay as close to the shore as the swell allows, probably out of fear of sharks. I've been paddling in the area for 3 years now and only twice saw a shark. I always thought my fear was unfounded.  Neither of the sharks I did see were very big.

Kobus remarked only minutes before being attacked that at least if you are two paddlers you halve your risk of a shark attack, at least for me it worked out.

Tearing and Crushing Sound

After turning around, and on our way back to the harbor I heard a tearing and crushing sound. Kobus's ski was thrust upwards. The shark clearly came from the depth and struck his boat with considerable force. After that it gave the ski a few bites. Kobus managed to stay in his ski, but probably because the shark was shaking the ski he fell out. The shark swam along his boat, but on the other side that he was in the water and disappeared. We never saw it again. He managed to get back on his ski. It was taking in water but kept afloat because of the buoyancy. He paddled to the beach sitting up to his hips in water. Fortunately we were not more than 50m from the shore.

If ever I have to go to war I know who to take, Kobus stayed calm and never panicked even when the shark swam only a meter from him, he being in the water at that stage.

 2.5m Long

The local shark experts had a look at the bite marks. According to them it was not more than 2,5m long.  The photo is misleading as the defect in the boat is not a true reflection of the shark's mouth.

They down-played the whole incident, putting it down to the inquisitive nature of white sharks, I however think it was hunting and not being playful!

 Shark Politics

In no way do I want to get involved in shark politics, but I do find it strange than shark cage diving with chumming is going on not more than a few hundred meters from a major swimming beach. You can see Diaz beach on the Google map.

Often when paddling we see the boat at the seal island busy with shark dives. We are not allowed to feed baboons at Cape Point, but sharks seem to be different than other wild animals in this regard. I am not an shark expert, perhaps chumming is safe even close to a swimming beach??????? I understand during high season they do stop the chumming.

 River Paddling

We still paddle, but for some reason the river is so much more appealing than before.  On Friday afternoon the tide was quite high and we were on the Little Brak River when suddenly we were aware of Zambezi sharks going up river. I do not think that we will again go paddling along the beach to the east of the seal island.

 Shark Shields?

Perhaps all ocean paddling boats should be fitted with shark shields. I realized that sharks are a reality and not only something on National Geographic, I did not think it would ever happen. We are in a high risk area but then again sharks are not in cages and roam wherever they like.

Mossel Bay
Mossel Bay, South Africa

surfski/shark incident location
Location where the incident occurred.


[Editor: Frightening as these incidents are for the folks involved, it should be emphasized that these events are extremely rare and it's our contention that you're far more likely to be injured simply driving to the beach than in an encounter with a shark. 

One thing that encourages me personally is that in the ten-odd surfski/shark events that I know about, no-one has been seriously injured.]

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Comments (20)Add Comment
Taste test
written by RH, July 09, 2008
Has anyone done any testing to determine which brand of ski tastes the best to sea creatures ? Perhaps this could be added to the standard speed/stability profiles. Have fun.
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written by nell, July 09, 2008
Just how many "Seal Island" 's are there off the SA coast? Seems like every town has one.
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Seal Island
written by Gary Kroukamp, July 09, 2008
In fact, Cape Town has 2 Seal Islands...
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written by Rinet Engelbrecht, July 10, 2008
Perhaps they should put up sharknets in the Diaz Stand and Hartenbos beaches? Maybe this is a warning sign that sharks get very close to the beach? What will happen to the tourism in this area if they have a shark attack on a beach? If they chum so close to the beaches, don't they change the feeding behavior of the sharks? I think these guys are more concerned that it could happen so close to the beach.
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Shark nets?
written by Rob Mousley, July 10, 2008
The problem with shark nets is that they slaughter all kinds of animals other than the sharks. When you consider that sharks haven't hurt anyone near the beaches in Mossel Bay, it seems overkill to suggest shark nets (pun intended). In any case nets are not 100% effective at keeping sharks away from beaches.

Sharks are present year round in False Bay and are known to cruise near swimming beaches. But humans are not the natural prey of sharks and according to the experts most "attacks" on humans (and skis) are most likely mistakes/investigation. And the number of interactions between humans and sharks in False Bay, despite their proximity, is minute.

I agree with the viewpoint that we're playing in the sharks' back yard - we're there by choice; they aren't, they live there!
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Shark Shield??
written by MTR, July 10, 2008
What are shark shields and how are they applied to a surfk ski?
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Shark Shield
written by Rob Mousley, July 10, 2008
Shark shields
See:
http://www.surfski.info/content/view/554/147/
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Chumming
written by Alain Jaques, July 10, 2008
The practice of chumming (luring sharks using blood and guts) is a highly irresponsible practice, and in my opinion and should be banned. It aclimatises sharks to humans and to boats and removes the natural aversion sharks would have for us creatures. Furthermore is associates humans with food which is the last thing paddlers and swimmers want. Operators of shark cage diving and those, who from the safety of their motorboats, chum and then drag seal cutouts to get some photos of sharks breaching, are simply placing their commercial interests ahead of the public's safety. If we care about sharks beyond their commercial value as scary creatures then I believe the same rules that apply to whales should apply to sharks, namely that you are not allowed within a few hundred metres of them.
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Robben island
written by Alain Jaques, July 10, 2008
Robben are seals in dutch so we have 3 'Seal' Islands in Cape Town including Robben Island. Those early sailors were not very imaginative island-naming-wise and rather spent their time clubbing seals and filling their ship's holds with seal and bird poo?
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Chumming
written by Rob Mousley, July 10, 2008
Don't forget though that chumming has been scientifically shown not to alter shark behaviour. At Seal Island in Cape Town they have tagged many GW sharks with ultra-sonic devices. Using these they showed that sharks are only attracted by chum for a brief period after which they cease to take any notice of it.
Note that actually feeding the animals would be a different matter altogether - but chumming just puts a scent into the water but does not reward the sharks - so they appear to learn that it's a waste of time to follow it up.
(I'll probably be shot down in flames for this comment - but although even the scientists don't have all the answers we need to base our responses on fact, not on emotion or unsubstatiated opinion!)
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Chumming
written by Alain Jaques, July 10, 2008
The fact is that chum attracts sharks and bananas attract baboons. If scientists truly believe their theory that there is no association between chum and food then I challenge them to leave the motorboat and go chumming in a speedo.
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Whoa, don't go bananas!
written by Rob Mousley, July 10, 2008
I'm not saying that chumming is not reprehensible - clearly it does attract sharks otherwise the shark tourism guys wouldn't do it.

However, there is evidence that chumming doesn't permanently change the behavior of the sharks. That's all I'm saying.

Comparing chum with bananas is not valid - and this is an important point. Chumming is NOT feeding. There are many studies (starting with Pavlov) that show that feeding animals can modify their behavior. Chumming is the promise of food that is unfulfilled.

Argue if you like that chumming may attact sharks (temporarily) to a specific location and if that location is near a beach then the likelihood of sharks interacting with humans is increased. Bad thing.

But you can't say that it's a fact that chumming habituates sharks to boats and humans because there is no formal evidence to suggest this; in fact the evidence points the other way. (And I have the paper on this if anyone's interested.)

In summary - all I'm saying is that we need to base our arguments on known facts (or least take the facts into consideration!).
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Paper on Chumming
written by Rob Mousley, July 10, 2008
Here's the paper, entitled: "Effects of provisioning ecotourism activity on the
behaviour of white sharks Carcharodon carcharias" by R. Karl Laroche, Alison A. Kock, Lawrence M. Dill, W. Herman Oosthuizen

http://tinyurl.com/6yuf4q
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written by Ignoblilis, July 11, 2008
What would the affect of this bite have made on a plastic ski?

Scary scary thought!
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More Info
written by Rob Mousley, July 11, 2008
The South African Marine Predator Lab in Mossel Bay confirmed:
- Definitely a Great White (from bite marks, etc)
- Would have weighed in at 80-120kg
- The bite was about 25cm deep and 17-18cm wide
- The distribution in the bay is focussed between Seal Island and Hartenbos (bigger sharks ? probably focusing on hunting seals) with smaller sharks hanging out opposite Groot Brak river mouth (probably focusing on hunting fish).
- Since 2001 they have identified 213 individuals in the bay in total, at any time they estimate that between 20 and 60 sharks are in the bay, and a good average would be around 40.
- Seal Island is really called Seal Island! (As opposed to the "Seal Island" off Hout Bay which is really "Duiker Island".)
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written by Adrian Tregoning, July 12, 2008
Wow, pretty bad luck... I've seen more than about 20 sharks while paddling in my time and that's only in play boats, and mostly at Keurboom Beach. When windsurfing the numbers are probably over 50 already. Around Plettenberg Bay and the biggest sharks I've seen have been sailing off of Sunset Beach near Milnerton... They are almost always there. It's just super bad luck to be taken, I reckon.

Glad no one was hurt!
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Baboons, and banana essence...!
written by Chris G, July 15, 2008
Boats chum because it attracts sharks. period.
It's also illegal to feed baboons, period.
What if someone takes 'Banana essence', not real bananas, you understand, to then attract baboons with the scent of bananas, but not reward them with the real thing...
I would not be suprised if the babbon occasionally attacked due to lack of (promised/expected)reward. Why would a shark be any different?
I respect Alison Kock's extensive work on sharks, but, in the future, chumming will likely be banned. We dont 'feed' baboons, we should not be 'feeding/attracting' sharks...
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written by Gary Kroukamp, July 15, 2008
I don't think comparing sharks to baboons or other mammals is valid. Faced with a question for which you don't know the answer, one should look at what available scientific research has shown and not invent theories for which there is no evidence.
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Science?
written by Alain Jaques, July 15, 2008
My theory is that sharks are better left alone and not baited and then gawked at like circus animals. If there is a scientific reason to bait a shark or tag it then I am all for it but I am against using sharks (or any other creature) as a form of entertainment.
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Entertainment
written by Gary Kroukamp, July 15, 2008
It's a tricky argument, because the shark watching industry, it may be said, contributes to scientific knowledge about sharks and may help preserve them by there being a financial incentive to do so, just like many other eco-tourism ventures.
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