- 2 days ago
Documentary, River Monsters S08E02 Death Down Under
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AnimalsTranscript
00:00I'm Jeremy Wayne angling explorer and biologist fishing is my passion one of
00:12the most extraordinary catches of my life time and again this passion has
00:17helped me solve freshwater mysteries some of my most dangerous investigations
00:24have unfolded in Australia where murky rivers hide bizarre and deadly beasts
00:32found nowhere else on earth but this time I'm going beyond the rivers venturing
00:40into the ocean that lies off this vast continent's northern coast
00:44this place is known as the deadliest sea on the planet and I'm here to find out
01:01why it's not a matter if you could die you will die if you thought the rivers were
01:11bad you haven't seen anything over the years I've collected hundreds of reports
01:28of mysterious disappearances and attacks from all around the world but there's
01:34one file that's thicker than all the others all the reports come from the same
01:39place the seas around northern Australia take the case some years ago of five
01:45Aboriginal elders and the pilots of the small plane they were flying who found
01:51themselves alone in the water in sight of land after their plane developed engine
01:56problems and was forced to ditch in the sea all that was ever found of them
02:04there's one severed leg what exactly is in these waters that can tear apart six fit capable men I'm
02:16going to try to find out
02:24I'm starting my investigation in northern Australia in the same waters where the men
02:29were reported to have disappeared there are predators here but simply can't be
02:37ignored features along a stretch of coast have been closed since yesterday because
02:42of a shark attack Australia has the highest number of fatal shark attacks in the world
02:47a father of two has died after being savaged by a shark but out of the 170 shark species
02:54known to patrol these waters only three have the rap sheet for fatal attacks on humans
03:00the great white doesn't venture this far north an experience tells me that bull sharks are mostly
03:09found close to the coast and near river mouths so I'm starting my investigation with the apex predator in
03:15these waters the tiger shark I'm joining shark biologist Adam Barnett I know there are documented
03:25attacks on humans by tiger sharks so what triggers these attacks and would a group of men in the water be
03:33likely targets I want to know what Adam is learning from his research we're not just tagging many more
03:43but we're actually taking the blood taking tissue samples the blood and the tissue will give us an
03:48idea of what they've been eating yeah if different sharks are eating different things or or it's a
03:52very generalized diet like what we would probably expect from a tiger shark by understanding what
03:58tiger sharks are eating I want to build a bigger picture of what they see as prey and whether that
04:04includes us all the baits are out at the moment they look untouched you've got a red boy and also the
04:20smaller white boy what we're waiting for is the white boy to disappear but all quiet at the moment
04:28then we get a sign that we're not alone that's doing something isn't it what do you reckon oh yep
04:40yeah there it goes it's going under as we approach the boy I can see an ominous shape beneath the surface
04:49this is tiger shark the shark has a lot of energy left and I struggled to keep control of it
05:02it's ten foot plus we're talking 650 700 pounds this is a big animal this is what's in these waters
05:13so Adam's taking a blood sample from it now from these samples Adam will get a better understanding
05:41of what the shark eats the shark is winding itself around the leader wire dragging our side of the boat
05:56down then it sinks its teeth into our air-filled boat
06:04it's also wrapped in the leader with the boat taking in water we need to unwrap the shark from
06:20the leader and fast it's going to come over that's it let's just get it off and get the boat there
06:28okay right we've decided we're going to abandon any attempt to get any data from this we've got the
06:34boats going down we cut the leader and release the shark we have a hole in the boat and the air has come out
06:45and water is going in we need to get back to the mothership which is becoming increasingly distant
06:51so priority is us getting out of here we limp back to the mothership I still can't get over the site of
06:59such a huge predator so close now more than ever I wonder if we humans are on the sharks menu do tiger
07:08sharks have preferences in terms of what they they feed on there I think you know they might have evolved
07:13to hunt certain things like turtles seem very very popular in their diet if you had a scenario of a
07:21person or people in the water might they consider that as a food item anything's possible but in my
07:27experience of diving with them they're very shy animals we put bait in the water to actually bring
07:31them in and they'll come in and then we'll get in the water and they'll often leave now their heads
07:35are full of all these sensors so if they go to feed on something to attack it they have to be very
07:40careful that they don't get damaged as well so how do you explain the times when tiger sharks have
07:46attacked people I think there's a clue in what Adam's blood sampling is turning up he has shown that
07:54here turtles are a big part of the tiger sharks diet when you consider that almost all attacks on
07:59people occur 300 feet or less from the shore where surfers are usually found could it be that tiger
08:06sharks are mistaking the outline of a surfboard for their favorite food I need to start piecing things
08:16together we'll never know for sure whether tiger sharks attacked the plane crash victims tigers are
08:26solitary hunters so a loan shark might have bitten one of these men but I don't think it's likely that
08:31it could have taken them all out I go back to the case file for clues and find a shocking story with
08:38echoes of the case of the missing men in this new mystery a man was lost in the open ocean and a
08:44severed body part was the only evidence found but what really gets my attention is where that evidence was
08:51found a worker processing fish in a Queensland factory opened up a large grouper and made a
09:01gruesome discovery when he sliced open its stomach what he found inside was a human head
09:21I'm investigating the case of a group of men who disappeared in the seas around northern Australia the
09:30only evidence ever found was a severed leg now I found another case with striking similarities but
09:38this time the evidence is a man's head and it was found inside the belly of a species of grouper
09:44so sharks aren't the only animals here capable of swallowing pieces of humans I've come to a remote
09:54and uninhabited group of islands 60 miles from the nearest township this is a scorched and arid place
10:01the average daily temperature at this time of year is 110 I'm here to track down a Queensland grouper to
10:13see for myself what this animal is capable of but as we're heading to the fishing grounds we encounter
10:19a situation that stops us in our tracks our cameraman starts recording when we stumble on an incredible
10:32scene a fisherman separated from his boat shouting for our home the crew focuses on getting him
10:40rehydrated but keeps rolling as the story unfolds we just came around the coast this is an uninhabited
10:46island and we first of all saw a cooler on the on the rocks and then one of us spotted so there's
10:53there's somebody there there's somebody there he immediately came down to the water and he's
10:57yelling out you know give me something to drink give me something to drink pretty desperate actually
11:01got right in the water to come out and meet us we'll find out very soon what's happened we saw a
11:09cool box on the on the rock and then he was separated from his boat two days ago and became disoriented
11:30despite efforts to find his vessel he was beaten back by the ferocity of the Sun and with every hour
11:38that passed his chances of survival diminished one more day on the beach and he would have died out here
11:46in the Australian high summer stranded without water or shelter your survival is limited to two maybe three
11:54days we make sure that he's well hydrated and sent him for medical attention this is a first for me in
12:05all my travels to remote places I found some of the rarest fish on the planet but I've never rescued
12:10someone stranded on a desert island it's a vivid reminder of how easily life can sometimes be snuffed
12:17out I continue to the fishing grounds to resume my hunt for a giant Queensland grouper I need to get a
12:31line in the water to learn more about its behavior and hunting strategy fishing for something this big
12:41means I have to place protective tape on my thumb and wear a harness anything capable of swallowing a
12:48human head is going to be huge I normally don't like to use live bait but groupers often bite fish off
12:58anglers lines as they're being reeled in much to the anglers annoyance so I'm hoping that by mimicking this
13:04scenario I might get a strike it's not long before I get my first this fish feels enormous it's going
13:26it's going down it's going down it's going down and the bandage on my thumb is useless so much for
13:32that past the whole thing just popped off it's melting my thumb without the protective tape the fast
13:43spinning reel strips off my skin and the fish is gone stuff I put plaster on my thumb and it comes off
13:52how one little thing can let you down I'm using my thumb as a brake and the plaster just comes off
13:59that's what it does rips my thumb when we lose the fish I'm rapidly finding out that in this heat it's
14:08all too easy to lose your head I now know there are big fish down there but any element of surprise I
14:17might have had is gone it's almost like a thief triggering the alarm system I decide to change up
14:24my tactics it's gone very quiet there's not a lot of interest in well no interest in the bait and I'm
14:29just thinking particularly in this water clarity they have to be fish down there that are aware of it
14:35what I might do instead of having the bait just hanging around in the target zone I might just crank it a few
14:41feet up just to give the impression of something trying to get out of the danger zone that could trigger
14:47something oh here we go there's something on there there's a massive hit on my bait I can hear the
15:03line straining under the tension oh that's a bad sound that's gonna describe the anchor right it's a
15:11big fish if we're going to bring it in I urgently need to stop the line fouling the anchor chain but
15:17this maneuver risks giving the fish the chance to reach the rocky bottom or if we can even get the
15:23anchor up and go after it this is a very big fish very big fish we need to work the fish away from the
15:30submerged cliffs and sharp rocks around the island which could cut the line and if you show the depth
15:37as well will be great great thank you now we have it in more open water we stand a chance of landing it
15:44then it makes a powerful surge for the bottom it's going again it's going again I can't believe you
15:53feel you're getting the upper hand oh still haven't even glimpsed it heart in mouth the fish is tiring
16:03it's coming in so this is when it's time to be careful we're well clear of the island we should be
16:09well clear of structure and it's coming up again I'm gonna see at any moment I can see it now I can
16:16see it now there it is I don't want to take any chances in this case the gaff hook is necessary to
16:26hold it securely otherwise we could still lose it this is way too big to bring on board I want to have
16:34close a look at it and it was a rock ledge we're gonna try and get it on there it's actually clamping
16:44down slightly that's biting my hand
17:04I'm investigating the disappearance of a group of men in the waters off Australia's wild north coast
17:10the only evidence recovered was one severed leg I've come to a remote island chain to find out if
17:20there's a link between that case and another one that bears disturbing similarities where the severed
17:26head of a man was found inside the belly of the species of grouper and the fish I've just
17:34caught is easily capable of swallowing a human head this could be dangerous sorry I'm actually
17:53attached by a hook to this fish which is not a good scenario there's a hook just cut it there where my
17:59finger is yes good good good good I'm just gonna see if I can get a little bit of this out of the
18:05water I don't want to lift it all out but I can lift it maybe a tiny bit ah that's about as much as I
18:10can lift out the water this grouper is comfortably six feet long and I estimate close to 300 pounds
18:20there is the mouth I think I could probably get my head in there if I was so inclined
18:26but I'm not so inclined that is the last thing that a lot of small fish and not so small fish see whether
18:34this would actually take a living person in the water I don't think so that's not their behavior they
18:38lurk down pretty deep normally but they're going for fish but if there was a corpse on the bottom this could
18:45absolutely seize the head and dismember it there's somebody's hook here I'm just going to take out I
18:52remove several hooks and line from old battles for many other anglers this was the fish that got away
18:59incredible as it is to see this fish up close I can't keep it at the surface for long it's home as
19:08the deep this is a powerful and intimidating fish but I don't believe that this is the active killer
19:15that would have the instinct to attack a human at the surface groupers like the one I've just caught
19:22wait for their prey near the sea floor lurking in caves and crevices ready to ambush using the suction
19:29of that huge mouth the series of events that led to the man's head being found inside one of these fish
19:36can only be speculated on but it's possible to imagine a shark attack sending body parts sinking
19:43to the depths to be scavenged by one of these giants of the deep a case of right place at the right time
19:52from the fish's point of view and an easy meal the group are ensuring that normally no evidence is found
20:02what does this tell me about the missing men I still need to establish exactly what caused them
20:09to disappear but one thing the water off Northern Australia isn't short of is suspects I go back to the
20:18the only piece of evidence in this case a severed leg washed up on a remote uninhabited island not far
20:25from where the men dished into the sea I know from experience that bite marks can be clues the forensic
20:34photographs didn't show the classic curved signature of a shark bite so what did this I know of only one
20:44one other predator in this region capable of dismembering human bodies I'm meeting biologist Dr. Adam Britton who
20:54has spent his life researching saltwater crocodiles the largest and most aggressive reptile on earth
21:01he's invited me to join a night hunt so I can get a first-hand look at this reptiles weaponry and find out
21:11what if the plane crash survivors could have fallen victim to a crocodile at sea do they ever go out into
21:19more open ocean salt is have got the ability to tolerate salinity a lot better than a lot of other
21:25crocodile species so that gives them the ability to be able to move down to the river estuary and even
21:31around the coastline and in effect the ocean for them or the coastline in particular it's like a highway
21:37they'll use it to get from one river system to the next river system so if they encounter someone on
21:42the beach for example they might try an attack on that person they're so adaptable it's one of the
21:47things that makes them so dangerous I need to see a saltwater crocodile for myself we head to the
21:55Adelaide River a huge estuarine system we position ourselves only a few miles from the ocean where Adam
22:05knows they'll be concentrated numbers of crocodiles I quickly get a sense of the size of the population
22:13here I see dozens of crocodiles slip into the water as we move past Adam has learned that the best way
22:23to get close to them is under cover of darkness well what we're going to do is we're going to use the
22:32reflective layer on the back of the crocodiles eyes to see the eye shot and so we'll be able to see a lot
22:38more crocodiles than we saw during the daytime so we'll just see this big bright light coming towards
22:43them and that'll enable us to get really really close and hopefully to catch them this is a harpoon
22:47head so you've got these four barbs here and it's designed to go through the skin through the top
22:52layer of the skin and then hook on to the skin so this is the reel and then it's just like playing
22:59a big fish it's exactly the same this harpoon looks deadly but the head is designed to detach from the
23:14pole and hook in just under the hide with minimal harm to the crocodile it's the most effective way of
23:20bringing one in at first the crocs we see are on the mud banks and out of our range
23:32then one makes a run for the river
23:35the strongest bite force ever recorded belonged to a saltwater crocodile but what creature had the
23:46strongest bite of all time the answer after this i asked what creature had the strongest bite of all
23:55time the answer is the megalodon shark the salty's bite force is similar to that of a t-rex but the now
24:03extinct megalodon shark is thought to have had five times the bite force of both its jaws could have crushed a car
24:21i'm on the search for what might have caused the deaths of a group of men alone in the open ocean after their plane ditched into the sea
24:29i've joined a biologist on a night hunt for australia's living dinosaurs deadly saltwater crocodiles
24:42the harpoon head holds okay just untie the harpoon line
24:46the harpoon is designed to only penetrate its hide there he is there he is there he is
25:09rolling rolling rolling rolling rolling okay a bit too much
25:13eventually the crocodile tires and we're able to bring it alongside the boat
25:17we have the crocodile secure um the harpoon line is still in but when that's not needed now we've got
25:22a really good uh lasso on the upper jaw the main thing is the the jaws are still open
25:28although salties have incredibly strong muscles to snap those jaws shut
25:32the muscles to open them are relatively weak
25:37but even so we can't take any chances
25:40that's pretty good go for it
25:43okay now sit down on the back of it sit down
25:46we carefully remove the barbed harpoon the thick leathery skin will heal quickly
25:52adam collects the data on this crocodile first he measures it just over eight feet
26:02and clips one of the scales on its tail to identify it
26:07there's no polite way of sexing the animal okay but nothing nothing more substantial this is a female
26:13sorry about that turn around that way okay so three two one over
26:27so as soon as she opens her mouth there you go gone that's a new a new type of fishing for me
26:33actually on a line okay harpooned rather than hooked but um
26:38i think the main thing for me is just how many there are in this uh in this bit of water
26:45they've clearly got the power to kill a man but something doesn't add up saltwater crocodiles are
26:51mainly found in estuaries or skirting the coast to travel between rivers they rarely venture out to open
26:58ocean the chance of the plane crash victims encountering a lone rogue crocodile is slim
27:05so what other killers are in this sea i get hold of john anderson a journalist who looked into this
27:13story to see if i can glean any new details what can you tell me about the case they took off from
27:20wantington island they hit severe weather and something happened did the search recover anything
27:27a search party it was able to trace some of the victims uh to a small uninhabited island um and
27:35footprints were found footprints there were some footprints found and um the limb but nothing
27:43else was found of the uh the occupants of that airplane until now i'd been working on the premise
27:51that these men had perished in open water i'd never considered that one or more of them might have run
27:57the gauntlet of the ocean and made it to the beach this new knowledge means i've been looking in the wrong
28:04place at least some of these men perished on land that leg didn't wash up on the beach it was left there
28:17i've read transcripts of the interviews with the people who knew them and they all say that with
28:21their experience of the country they should have survived on that beach there's nothing on land in
28:25australia other than crocodiles capable of devouring these men
28:29but i don't think crocodiles are the whole story i suspect something else might have played a role here
28:38four of the survivors were aboriginal elders they knew this land and its dangers
28:46i'm hoping some of the fishermen in this remote aboriginal community
28:50can help me understand what could have happened
28:52they mention a fish that i've never encountered before
28:59stonefish stonefish
29:02you can you can have to see him because you know he's just like the stone thing
29:07like it is the image of the stone you can't see the stonefish right
29:12probably stand on it you get poisoned in too has that ever happened to you yeah
29:19painful put your nostril
29:22it on drips wall a couple of weeks we get better yeah so you yeah i got stuck under my feet
29:29the same thing and you say hospital for a couple of weeks is that pain just in your foot or does it go
29:40the fisherman tells me i can find them in pools along this beach
29:46the stonefish's camouflage makes it almost impossible to spot
29:49hiding in and among the rock pools of the shoreline
29:57i actually pride myself in being able to see things in the water but this is taking that to a
30:03whole other level there's something here which looks like a rock but it's not a rock
30:07a rock but this is the most venomous fish on earth when disturbed it can inject lethal neurotoxic venom
30:16I know this fish is deadly, but I can't resist taking a closer look.
30:35I'm investigating the deaths of a group of men in northern Australia.
30:40I now know that at least some of the victims made it to shore.
30:45And I suspect crocodiles ultimately disposed of them.
30:50But I think something else might have played a role here.
31:02There it is. Not a stone, but a stone fish.
31:06What an amazing beast. It really does look like a piece of rock. This is camouflage taken to the nth degree.
31:12What makes stone fish even more dangerous is that they can quite happily stay out of water for up to 24 hours,
31:21making them all too easy to step on when the tide retreats.
31:25And it's the spines on their back that deliver the deadly venom.
31:30It's actually got 13 of these dorsal spines, and each one is basically a hypodermic.
31:38And just a little way back from the point is the, that's where the venom is.
31:44And what happens is if you tread on one of these, it's your body weight that injects that.
31:51Let's just see what this thing can do.
31:54Found that on the beach. This is the kind of thing I often wear.
31:57Put these on for eye protection.
32:01And, er, what happens?
32:07Did you see that?
32:11It's only when the footage is slowed down that you can see the amount of venom that's delivered by one single spine.
32:17Now, if you trod on that, that venom would go into your bloodstream, and, er, as well as being very painful, I mean, if you've got people with you, they're going to need to look after you.
32:28I'm discovering that making it to shore here can be an even deadlier proposition than being lost at sea.
32:36One possible scenario, who knows, maybe one of those survivors stepped on one of these, and that just took everybody's concentration.
32:46They're dealing with that person, and then events just went on from there.
32:50Even if one of the survivors stepped on a stonefish, that still leaves four men alive.
33:01But North Australia's oceans harbor one more killer, and this one could have taken out the entire group.
33:09The box jellyfish is the most venomous creature on Earth.
33:13Within its deadly tentacles is a toxin powerful enough to kill a man in under two minutes.
33:19It's several times over.
33:24Did the men, believing they had reached safety, stumble into this near-invisible killer?
33:30I check the date that the incident occurred, and discover that November coincides with the start of box jellyfish season.
33:38On my way to meet somebody who has made it his life's work to understand these near-invisible killers, particularly how their toxin works on humans.
33:53Now, he knows better than most what this actually feels like, because he was once stung on the face and hospitalized for 50 hours.
34:01Dr. Jamie Seymour has spent 20 years researching box jellyfish, attempting to understand their behavior and how their complex venom works.
34:18To make anti-venom, he has to collect live samples.
34:27It's risky work in 100-plus degree heat, handling the planet's deadliest creature.
34:33I've never seen a box jellyfish, so I've agreed to help him collect samples from these ghostly killers for the anti-venom lab.
34:44What makes them so dangerous to man are their tentacles.
34:48An adult box jellyfish can grow up to 40 of them, and each one contains around 5,000 stinging cells.
34:56That makes 200,000 deadly points of contact.
35:01They can sense when they touch something living, and that triggers thousands of tiny darts.
35:07The toxin then enters the blood.
35:10It takes only 6 to 7 feet of a single tentacle to kill an adult human.
35:18My wetsuit should act as a barrier.
35:20This water might look quite inviting, but, um, Jeremy tells me that just this little bit of beach here, there could be hundreds of box jellyfish, and, uh, getting in without, um, due precaution and due vigilance, um, would actually be, I mean, verging on insanity.
35:44So what you're looking for is, uh, it's a bit hard to explain it, but a transparent jellyfish with a set of tentacles.
35:52Right.
35:54There's one right there.
35:56Ah.
35:56So it's just, it's just a sort of a fuzzy white, but that purple is quite, uh...
36:00The purple's a dead set giveaway, but not all the animals have purple tentacles.
36:04Yep.
36:04Another one out here.
36:05Yep.
36:06Another one there.
36:06I'm just thinking, you could come down here, hot day, let's just splash through the water, cool off, and you could die, couldn't you?
36:14Just knee-deep water.
36:15Look, it's, in these sorts of conditions, it's not a matter if you could die, it's you will die.
36:21I mean, if you're swimming in here and you didn't know what was going on, yeah, you'd die.
36:24It's as simple as that.
36:25We're on the lookout for bigger specimens.
36:28Jamie needs fully grown adults to harvest their venom.
36:32The main reason we're here is to collect venom.
36:34What happens is you grab the animal, you pick it up, you cut the tentacles off, so we'll cut about half of the tentacles off,
36:39and then we can take the tentacles back to the lab and extract the venom.
36:42Now, what you need to remember is these guys will grow the tentacles back somewhere between half to an inch in length a day.
36:49So cutting off half the tentacles is not really a major issue for these animals.
36:52They grow them back very, very quickly.
36:54Jamie has learned that it is possible to gently grasp the jellyfish by its body without being stung.
37:03He tells me that to do this, you need the sensitivity and feel that can only be achieved by using bare hands.
37:15Oh, what's that, right in the...
37:17Oh, that's a beauty, actually. That'll be a... That's a cracker.
37:21Right.
37:24All right-o.
37:26And you see, so we're literally in sort of knee-deep water here, and it's almost impossible to see now.
37:31You want to be in front of the animal?
37:33Yes.
37:33It's going to take two hands.
37:34Yes.
37:35And it'll be a lot heavier than you think.
37:37Right, okay.
37:38It's now or never.
37:41Time to commit.
37:42Oh.
37:45Ah!
37:54I'm in Northern Australia, attempting to find out what happened to a group of Aboriginal elders who found themselves alone in the water after their plane ditched at sea.
38:09And I'm closing in on a killer, the deadly box jellyfish.
38:17Ah!
38:18Wait a minute.
38:19That touched something.
38:20Yeah, there's tentacles all over the bell there.
38:22All over the bell.
38:23After only the briefest of touches, it feels like my skin is on fire.
38:28And that was with less than a tenth of an inch of contact.
38:31Yes, it's starting to burn.
38:32It's starting to burn.
38:33It's dialing up a little bit.
38:35Imagine six or seven feet worth of that.
38:37I mean, you've probably got a quarter of an inch, maybe.
38:39Yes.
38:39So, you know, dialing up a heck of a light and you start to get some indication of the pain that goes with it.
38:45Now, for me, I'd let that animal go.
38:47Let it go.
38:48Or look for another one because now it's got tentacles and things around its bell.
38:51You can't pick it up by that top end.
38:53No.
38:53Okay, so leave that one.
38:57One element of this is the pure sort of technical thing about picking it up.
39:00But the other thing that's there in the back of your mind, which it's got to stay there, but it mustn't take over everything else, is just how dangerous these things potentially are.
39:09And it's, you know, there's crocs here.
39:11It's very slippery underfoot.
39:12There's mozzies buzzing around.
39:14It's, you know, staying focused and the heat as well, staying focused.
39:19It's a lot to, I don't know.
39:23I'm starting to think that I might not be up to the job, but I'm determined to try one more time.
39:30This is now personal.
39:35That one looked, as we got over it, it looked a bit bigger, actually.
39:39Okay.
39:40It's more or less in a good position, isn't it?
39:41It's a good one.
39:42Yep.
39:51Done it.
39:52I've finally overcome my fear.
39:55Now I can get a good look at this deadliest of all killers.
39:58It's strange.
39:59It doesn't look alive, but it feels alive, but in a very weird way.
40:03That size animal's probably got seven to eight tentacles on each corner of the belt.
40:07You only need six or seven feet long in an adult to kill somebody.
40:11That animal has potential to kill 50 people in under two minutes.
40:16We collect several more large specimens and harvest their venomous tentacles for making anti-venom back at the lab.
40:28I still can't compute the deadliness of the venom of this thing.
40:32I mean, this is quite a big animal, and this would kill several people in a very, very short time.
40:39So what happened to the plane crash victims?
40:44Since I believe they made it to the beach, they could have been devoured by crocodiles.
40:50But it's possible these ghostly creatures are what brought them down.
40:54In the final analysis, of course, we'll never know.
41:00What is it about the water here that makes it so dangerous?
41:04For a start, the water is very warm, so it's unusually productive.
41:09And this means that the apex predators can grow to gigantic sizes with massive mouths and powerful jewels.
41:16For me, it's the combination of biochemical weapons, the development of super-powerful venom with near invisibility, surely the ultimate in camouflage, that is the really scary thing.
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