Anecdotal evidence suggests there may be a specific 'rouge' (I hate that term) white pointer that travels around within that triangle you've pointed out. But it's just that, anecdotal. To the untrained, every white shark looks more or less the same.
I'd love to see the tracking data for Perth but for some reason the data is no longer available from IMOS.
As for the reef system, forget google-earth 
. If you want some real neat bathymetry data of our waters have a look at this site. Some real neat stuff.
portal.aodn.org.au
Is there a chance that the Sharks are following the Fishing boats into Freo?
Use to surf a break off a seaway around Mooloolaba in QLD reguraly. Talking to guy who use to dive around there & told me if you had seen down there what i use to see you probably would not surf there.
. If you want some real neat bathymetry data of our waters have a look at this site. Some real neat stuff.
Legend!
I've got a murdoch ID so chances are I can access it. Or I'll try my Dad's credentials haha.
Thanks mate.
From the White Shark Trust Home Page (www.WhiteSharkTrust.org): White Sharks have been protected in several key regions around the world. These conservation plans were not based on scientific evidence about the White Shark population, but mostly on the observed decline in the number of large sharks caught by fishermen.
I think sharks are more likely around fishy areas. Like the reefs of Cott, or reefs of Hillary's, reefs of Rottnest or Garden island. Sharks swim around eating most of the time so they will tend to go were the fish are. Were they have some form of cover. Could you imagine how much a shark would stick out on a sandy stretch like Scarb to Trigg.
I feel if sharks wanted to eat humans they would.
I agree about cage diving. We are bring sharks into and environment and teaching these sharks to recognise humans with baited water. Maybe we should be reconsidering just what we are doing.
Change of plan. Now they've clossed my local break so i say cull them. Cull them all..
On a serious point i will say that the amount of weed around, that coupled with the Surf club getting told of many seals and turtles being sited in the beach area it doesn't surprise me at all..
Maybe I'll have to buy a SUP and can stay out of the water
If what you're saying is true then one would expect more attacks at Triggs and Scarborough because they are the most popular area for marine activities.
I dont think it has anything to do with what we do in the water.
I think that whale migration is one reason.
I dont think over fishing is, bag limits have gotten smaller over time.
I do think that because they are protected their numbers are up on 10-20 years ago.
I dont think culling is the answer.
I think, this year more than most there have been more dead whales than I can ever remember.
Rotto last year.
Shouldn't dead whales mean the sharks are full of whale? Why would they come close to shore to snack on us?
Basically, the best way to understand most shark attacks is to think of the shark as a baby or a puppy dog.
As I'm sitting here typing away, I have the ability to pick up an object I am interested in and inspect it. Babies on the other hand, pick up the object and stick it in their mouth; which is the most sensitive part of their body. This is how the inspect it.
Puppy dogs do the same thing. The chew on things, even your hand, because they are curious....not because they are aggressive; there are exceptions of course.
Sharks are the same. They are curious animals that have no hands...just fins and a mouth. They see something in the water, they bite it to try and figure out what it is. You see them biting shark cages, outboards on boats, rubbish or any other junk floating in the water. Then they see a surfer. To them you look familiar but they're not convinced. So she swims over to you, takes out a chunk, decides you're not tasty and swims off...meanwhile you're missing half a leg and bleed to death. It's a tragic thing and highly unfortunate.
This is pretty much 99% of how shark attacks occur. People are really ever actually eaten. Most deaths are due to bleeding from missing/damaged limbs. A puppy nibbles on your hand out of curiosity and it's cute. A shark does the same thing and it's disastrous.
Sad but true 
I think it is safe to say, if all the big sharks out there saw us as food then most of us going in the water would get attacked. The numbers of sharks and the small numbers of attacks supports this, in my eyes.
Spot on Suba.
Remember reading that if you went to the aid of a shark attack victim you have a 90% + chance of not getting attacked. Shark obviously has had a taste said yuk and goes off. The instances where a rescuer is attacked is probably where there a multiple sharks around.
