Still Waters Posted January 18, 2016 #1 Share Posted January 18, 2016 A great white shark thought to be up to seven metres (22ft) long has been spotted off the coast of southern Australia, forcing the evacuation of a local beach. A patrolling helicopter spotted the huge shark around 100m off Marino Rocks in Adelaide's south on Sunday afternoon. http://news.sky.com/...ustralian-beach 4 Link to comment Share on other sites More sharing options...
Sir Wearer of Hats Posted January 18, 2016 #2 Share Posted January 18, 2016 #Straya. Bet you some shallow genepool escapee will want to kill it "for safety". Link to comment Share on other sites More sharing options...
Aftermath Posted January 18, 2016 #3 Share Posted January 18, 2016 I like sharks. But not when they eat people. Link to comment Share on other sites More sharing options...
Popular Post Imaginarynumber1 Posted January 18, 2016 Popular Post #4 Share Posted January 18, 2016 But not when they eat people. That's when they're at their best. 10 Link to comment Share on other sites More sharing options...
Patient Zero Posted January 18, 2016 #5 Share Posted January 18, 2016 That's when they're at their best. Damn right! 1 Link to comment Share on other sites More sharing options...
seax Posted January 18, 2016 #6 Share Posted January 18, 2016 I wonder if this was the big boy that took a hunk out of another white shark a couple years back...or thereabouts? A spokesperson for fisheries (or some dept.) said the culprit was about 6 meters long, putting it about 18 ft. seax Link to comment Share on other sites More sharing options...
seax Posted January 18, 2016 #7 Share Posted January 18, 2016 A great white shark thought to be up to seven metres (22ft) long has been spotted off the coast of southern Australia, forcing the evacuation of a local beach. A patrolling helicopter spotted the huge shark around 100m off Marino Rocks in Adelaide's south on Sunday afternoon. http://news.sky.com/...ustralian-beach 17 meters is not 22 ft.....someone needs to recypher that .....that's bout 51 ft...that's a Megladon. seax 1 Link to comment Share on other sites More sharing options...
Patient Zero Posted January 18, 2016 #8 Share Posted January 18, 2016 17 meters is not 22 ft.....someone needs to recypher that .....that's bout 51 ft...that's a Megladon. seax 17x3... Carry the 2... You're right! Good catch! Link to comment Share on other sites More sharing options...
seax Posted January 18, 2016 #9 Share Posted January 18, 2016 17x3... Carry the 2... You're right! Good catch! LOL...sorry...my mistake....I need to put my glasses on....it said seven not seventeen....I will stand in the corner for 30 minutes to make up for my blunder... i'm blind in one eye and can't see out the other.. seax 3 Link to comment Share on other sites More sharing options...
Timothy Posted January 19, 2016 #10 Share Posted January 19, 2016 I'm so glad that there are still sharks this big. They are such beautiful creatures. Imagine this shark being caught in the WA drum lines. How sad would it be?! 4 Link to comment Share on other sites More sharing options...
Xanthurion2 Posted January 19, 2016 #11 Share Posted January 19, 2016 Sharks are my favorite sea animal. Especially Great Whites. 2 Link to comment Share on other sites More sharing options...
pallidin Posted January 19, 2016 #12 Share Posted January 19, 2016 I wonder what frame-of-reference they used to estimate it's length. The helicopters specific height above the water and camera settings would do fine I suppose, I don't know. 1 Link to comment Share on other sites More sharing options...
toast Posted January 19, 2016 #13 Share Posted January 19, 2016 I have to repeat myself: Dont swim in oceans. 2 Link to comment Share on other sites More sharing options...
Thorvir Posted January 19, 2016 #14 Share Posted January 19, 2016 I like sharks. But not when they eat people. Depends on the people. 1 Link to comment Share on other sites More sharing options...
skookum Posted January 19, 2016 #15 Share Posted January 19, 2016 I hope he/she is 7 metres. After ruthless hunting maybe they are recovering. Humans will be far down on their menu unlike the blubbery seals and dolphins/whales they like. Why don't we leave them alone? Link to comment Share on other sites More sharing options...
ChrLzs Posted January 20, 2016 #16 Share Posted January 20, 2016 I wonder what frame-of-reference they used to estimate it's length. The helicopters specific height above the water and camera settings would do fine I suppose, I don't know. While that would be possible, it would mean very careful and synchronous monitoring of the chopper's height (plus distance/angle off to the side) and the lens zoom (rashly assuming it's a zoom). Given they seem a bit vague, I suspect they used the more common method, namely comparison with a nearby boat (or jetty/the people on it/wave intervals/etc..) As soon as you have something known in the field of view, you can narrow down a guesstimate fairly well, and if a boat comes close, it's much easier... Oh, and if you're a 'boatie', you can pretty easily tell the length of a boat by seeing it's top-down profile.. in fact these guys probably can immediately fully identify dam near every boat they see... Link to comment Share on other sites More sharing options...
Timothy Posted January 20, 2016 #17 Share Posted January 20, 2016 While that would be possible, it would mean very careful and synchronous monitoring of the chopper's height (plus distance/angle off to the side) and the lens zoom (rashly assuming it's a zoom). Given they seem a bit vague, I suspect they used the more common method, namely comparison with a nearby boat (or jetty/the people on it/wave intervals/etc..) As soon as you have something known in the field of view, you can narrow down a guesstimate fairly well, and if a boat comes close, it's much easier... Oh, and if you're a 'boatie', you can pretty easily tell the length of a boat by seeing it's top-down profile.. in fact these guys probably can immediately fully identify dam near every boat they see... I heard on the news that the helicopter was able to compare it to a boat of known size which was close to the shark. 1 Link to comment Share on other sites More sharing options...
seax Posted January 21, 2016 #18 Share Posted January 21, 2016 Everyone knows why sharks won't eat attorney's don't you. It's professional courtesy. seax 1 Link to comment Share on other sites More sharing options...
Thorvir Posted January 21, 2016 #19 Share Posted January 21, 2016 Everyone knows why sharks won't eat attorney's don't you. It's professional courtesy. seax We needed that laugh. 4 Link to comment Share on other sites More sharing options...
Jungleboogie Posted January 23, 2016 #20 Share Posted January 23, 2016 Benchley was inspired by real life 'jaws' (ugh, stupid article title) back in Jersey about 100 years ago. Link to comment Share on other sites More sharing options...
+DieChecker Posted January 23, 2016 #21 Share Posted January 23, 2016 A 22 foot shark makes a lot of fishsticks...... I hope this guy leaves the beaches for his own safety. 2 Link to comment Share on other sites More sharing options...
seax Posted January 24, 2016 #22 Share Posted January 24, 2016 A 22 foot shark makes a lot of fishsticks...... I hope this guy leaves the beaches for his own safety. Any you know what really scares you....there is probably one bigger. seax Link to comment Share on other sites More sharing options...
ChrLzs Posted January 25, 2016 #23 Share Posted January 25, 2016 Reports exist for great whites as big as 11 metres*, and while there is some argument about how the lengths were measured, some photographic evidence apparently exists that supports those claims - I'll try to dig it up online. Given that largest *caught* was 6.4m, it is fair to speculate that the largest ones are somewhat larger than that.. * Klimley, Peter; Ainley, David (1996), Great White Sharks: The Biology of Carcharodon carcharias and Mollet, H. F. (2008), White Shark Summary Carcharodon carcharias 2 Link to comment Share on other sites More sharing options...
seax Posted January 25, 2016 #24 Share Posted January 25, 2016 Check this out. This movie was taken by the Brazilian Coast Guard. I am not saying this is a Megaladon or even a shark, but it is impressive....See for yourself. seax Link to comment Share on other sites More sharing options...
ChrLzs Posted January 25, 2016 #25 Share Posted January 25, 2016 (edited) Check this out. This movie was taken by the Brazilian Coast Guard. I am not saying this is a Megaladon or even a shark, but it is impressive.... Hmmm. Another Youtube video that reinforces my opinion of that brothel. Note that they don't cite the footage. No names... Note that they also rule out a whale. As a bit of a marine biology nut, I'd love to hear them elaborate on how they did that.. (as for the lame bit about the fin allegedly being horizontal, gee, whales NEVER swim at a side angle.. oh wait yes they do). It's very low-res footage and adding that in would be dead easy. I'd like to know more about it's source, and perhaps hear the testimony of those involved in the rescue.. BTW, the footage looks an awful lot like other footage about a US Coastguard HMS Bounty rescue - if I find the original unedited footage I shall return... Edited January 25, 2016 by ChrLzs 3 Link to comment Share on other sites More sharing options...
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