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Tracking the Most Elusive Shark Species | Expedition X | Discovery - Video học tiếng Anh
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Tracking the Most Elusive Shark Species | Expedition X | Discovery
Tracking the Most Elusive Shark Species | Expedition X | Discovery
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Субтитры (396)
0:00
No sign of Sandra yet.
0:02
>> None.
0:02
>> I'm starting to get a little worried.
0:04
>> Sandra, do you copy?
0:08
Do you copy?
0:09
I CAN'T HEAR YOU.
0:20
>> Hang on. I see something.
0:23
Holy
0:29
>> Phil, quick walkie
0:30
>> Walkie check. Can you hear me at all?
0:33
I think I found a big cave.
0:35
>> YOU FOUND A CAVE?
0:39
OKAY, BE CAREFUL.
0:40
K 844
0:43
>> The water here feels completely
0:45
different. Like it's sucking me in.
0:47
>> How far back does it go?
0:50
>> I don't know. Doesn't look safe to go in
0:52
there.
0:53
>> Do you want to grab the ROV and see how
0:55
far back that cave goes?
0:57
>> Yeah, for sure. Send it down.
1:01
>> Who knows how deep or narrow this blue
1:03
hole gets, or whether the Lusca Sammy
1:05
saw might be hiding in the cave Phil
1:07
found.
1:10
But the ROV can safely go where Phil
1:12
can't.
1:15
>> I see the cave.
1:17
I'm at the entrance.
1:19
>> It's a narrow cave, but an octopus can
1:21
fit into some very narrow places because
1:23
it has no bones.
1:26
The only rigid part of its body is the
1:28
beak, which is made of chitin, the same
1:30
hard substance as an insect's shell. As
1:33
long as an octopus's beak can fit
1:35
through a crack, the rest of its highly
1:37
malleable body can maneuver through as
1:39
well.
1:40
That means even an unusually large
1:43
octopus could squeeze into this tight
1:45
cave.
1:47
>> Feel like I'm constantly fighting
1:48
against a current. I keep thinking I'm
1:50
getting hung up on some of these rocks,
1:51
but then I look and there's I'm I'm
1:53
actually fine. I'm just getting pulled
1:54
around.
1:57
Look at that.
1:58
I mean, how can I not go through here?
2:00
I think I can fit it in there.
2:05
Oh, I'm going to get that ROV stuck.
2:08
Ugh.
2:10
Okay, come on.
2:12
Where are we?
2:14
There we go. We're out.
2:16
That's as far as I can go. Any further,
2:18
we may lose the ROV. I'm bringing it
2:21
back up.
2:22
>> Copy that.
2:30
>> ROV's up.
2:34
Ooh.
2:35
>> That thing was so deep in there, Jess.
2:37
Easily something could fit through
2:38
there.
2:39
>> It's feasible. It's feasible for a lusca
2:41
to be in here, or at least come here,
2:43
use it as a feeding ground, hang out for
2:45
a while, and then ditch out and go
2:46
somewhere else, which could also explain
2:48
multiple sightings. I definitely think
2:50
this particular cave system connects to
2:52
the ocean.
2:52
>> Oh, yeah.
2:53
>> Absolutely.
2:54
>> it has to.
2:55
>> Yeah.
2:58
While we were investigating the inland
2:59
blue hole where Sammy had his
3:01
frightening encounter,
3:03
I got a message from another local.
3:07
So, I think us being here on the island
3:08
looking for the lusca is making the
3:10
rounds. One of the locals, this lady
3:11
named Charlene, she reached out to me. I
3:13
figured we could go meet up with her
3:15
where she works. In a weird twist, guess
3:18
what the restaurant she works at is
3:19
called.
3:20
>> Uh, what?
3:22
>> Lucky Lusca.
3:24
>> Oh.
3:25
Interesting choice.
3:28
>> [music]
3:30
>> Look.
3:31
>> There's the Lucky Lusca.
3:34
>> Charlene Wimms was born and raised on
3:36
Andros.
3:38
In addition to running the restaurant,
3:39
she's also a police officer.
3:43
>> From a little girl, always hear my mom
3:46
speaking of the lusca. I thought it was
3:48
just oh, it was something that they were
3:50
making up, and they didn't want us to go
3:52
to the holes, but I had family friends
3:55
that went out on a boat. These were
3:57
actual divers and they went diving in
4:00
the blue hole in the ocean
4:03
and they never came back.
4:07
>> So, what's the theory behind what
4:09
happened to them?
4:10
>> Well, up today we have no story. They
4:13
had divers come in to go and look for
4:15
them. They dove all of those blue holes
4:18
and they found absolutely nothing.
4:20
>> Could it not have been a shark or
4:22
something like that?
4:23
>> they found no tank, no swim gear, which
4:26
makes me believe that there is a Lusca.
4:30
>> I would think even with a shark you
4:31
would still have tanks and other
4:34
equipment left over even if it was torn
4:36
up.
4:36
>> So, I guess if they completely
4:37
disappeared, the idea is that the Lusca
4:40
took them into one of the caves or
4:42
tunnels.
4:43
>> and carried them away.
4:44
>> where it's hiding.
4:45
>> Yes.
4:45
>> So, where's the location of the blue
4:47
hole?
4:47
>> The location of the blue hole is about 2
4:50
miles off of Small Hope Bay.
4:54
>> Charlene gives us the location and
4:56
suggests where we [music] can grab a
4:57
boat to take us to the offshore blue
4:59
hole where the divers disappeared
5:01
without a trace.
5:03
>> [music]
5:03
>> I'm wondering if this blue hole could be
5:05
the marine lair of the Lusca
5:08
and somehow connected to the inland blue
5:10
hole where Sammy had his run in with the
5:12
beast.
5:14
>> So much of this I initially just thought
5:17
was stories to keep kids from drowning
5:20
in the blue holes. Like they're
5:21
dangerous, I get it. But now we're
5:23
hearing about people dying from a
5:26
supposed Lusca.
5:26
>> Charlene's story was kind of tough to
5:28
hear.
5:29
>> Yeah, definitely.
5:31
The list of known ocean predators here
5:33
that have the ability to kill and
5:35
consume a human is pretty short and most
5:38
of the names on that list end in shark.
5:41
I've dived in the Bahamas before and
5:43
know that these waters are home to tiger
5:45
sharks, bull sharks, and the occasional
5:48
great white.
5:50
If we're going to investigate deadly
5:51
diver attacks, we're going to need some
5:53
experienced backup.
5:55
>> Hey Josh.
5:56
>> Hey.
5:56
>> Hey team. Looks like you're enjoying the
5:58
Bahamas. Look at that, it's paradise.
6:00
Phil, did you do a dive in a blue hole?
6:02
>> Oh, yes. It's dark and murky. It's like
6:05
a totally different world.
6:07
>> It really is. But the big question is,
6:09
did you see a Lusca?
6:11
>> No Lusca, yet. But Phil did see
6:14
saltwater fish in the inland hole and a
6:16
cave that probably connects with the
6:18
ocean blue holes.
6:19
>> Yeah, so there's a big blue hole out
6:21
here where some divers disappeared.
6:23
>> So we're going to go dive?
6:24
>> But we'll need some support. People
6:26
don't call the Bahamas the shark capital
6:28
of the world for nothing.
6:29
>> You're definitely right to be cautious,
6:31
Phil. As I'm sure you know, there are
6:32
more than 40 different shark species
6:34
there, including some serious apex
6:37
predators.
6:38
>> I'm going to let Phil do the diving.
6:40
>> Thanks, Jess.
6:40
>> You're welcome.
6:41
>> Well, you are in luck. I've been diving
6:42
down there a lot, uh and I have a
6:44
contact of Shark Week buddy of mine. Uh
6:47
and if you want to dive in the Bahamas,
6:48
this is the guy. So I'm going to connect
6:49
you with him and uh be careful down
6:52
there, okay?
6:52
>> You got it.
6:54
>> Bye, Josh.
6:55
>> See you, Josh.
6:56
>> Bye-bye.
7:03
>> We grab the rest of our gear and connect
7:05
with Josh's dive contact, Chris Carroll,
7:08
a Bahamian marine scientist who
7:09
specializes in the ocean life here.
7:12
>> This is Jessica.
7:13
>> Including shark, octopus, and I'm hoping
7:16
something in between.
7:20
Have you ever heard of anything called
7:21
the Lusca?
7:22
>> I have heard stories.
7:24
Divers afraid to go in the water and
7:26
have chance of them being eaten or or
7:28
snatched by this mysterious creature.
7:31
>> Do you think it's actually half shark,
7:32
half octopus, or do you think it's
7:33
something that's actually based off of a
7:35
real animal?
7:36
>> With the shark-octopus part of it,
7:38
I think that's a bit for me far-fetched.
7:41
What it could be is a hammerhead shark
7:44
eating a very large octopus and some
7:46
people may have seen that and they see
7:48
the the tentacles in the shark's mouth
7:50
and the shark is swimming away. Somebody
7:52
may have seen that and be like, "What is
7:53
that?" That's what I chalk it up to be.
7:56
>> Sharks are known to prey on octopuses,
7:58
so it makes perfect sense that people
8:00
reporting a creature
8:02
with the head of a shark and flailing
8:04
cephalopod appendages
8:06
could have actually witnessed natural
8:08
predation in action.
8:10
>> Should we gear up? Get ready?
8:11
>> Yeah, let's do it. Let's get in.
8:13
>> Okay.
8:17
>> Sure, it's an interesting theory from
8:19
another scientist, but with so many
8:21
Lusca sightings, they can't all simply
8:23
be seeing a shark eating its lunch.
8:28
We close in on the coordinates Charlene
8:30
gave us for the blue hole where the
8:32
divers were last seen.
8:34
And as we take our first look at the
8:36
submerged blue hole, I'm suddenly extra
8:38
glad we brought reinforcements.
8:42
>> Oh boy, right there.
8:47
Look out.
8:50
That is incredible.
8:57
>> Fortunately for us, hammerheads have
8:59
small mouths compared to their large
9:01
body size, [music]
9:02
so they know attacking a human would be
9:04
biting off more than they can chew.
9:08
But we still need to keep our heads on a
9:10
swivel for other types of sharks down
9:11
here, especially El Monstro.
9:14
>> [music]
9:23
>> Is this the shark topia you were
9:24
promised?
9:25
>> Incredible.
9:27
We are surrounded by sharks here. Wow.
9:32
>> [music]
9:41
>> That's a very good signal.
9:47
>> [music]
9:48
>> I know the perfect place to put the
9:49
camera.
9:52
>> Okay, Heather. We have a spot for the
9:54
first camera. Lower the seaweed camera.
9:58
>> Camera trap coming down now.
10:00
>> All right, this is the world's first
10:01
underwater trail camera.
10:05
>> This revolutionary new device uses
10:07
[music] a specially trained AI that can
10:09
identify hundreds of shark species. It
10:12
will also immediately flag anything that
10:14
it can't ID, which could mean El
10:17
Monstro.
10:18
>> Lower.
10:20
Lower.
10:23
Got it.
10:30
>> This camera is in place.
10:33
>> Okay, cameras are set.
10:34
>> Heather, let me check the video.
10:36
>> I've got images coming in. That's a
10:38
great spot.
10:42
>> Now we just have to see who visits.
10:44
Maybe we'll get the monster down here.
10:48
>> This area is called the cleaning
10:49
station. It's a place where the
10:51
butterfly and the angel fish live around
10:54
the corals and the sharks come to get
10:57
cleaned. They will take the parasites.
11:01
>> So, this is like going to the car wash
11:02
for shark.
11:05
>> Look,
11:06
sharks are coming.
11:08
>> Wow.
11:12
>> If you stay calm and you don't move,
11:15
sharks will come more close to you.
11:24
We have to go deeper to see the monster
11:26
shark.
11:27
Go lower.
11:28
>> Copy. Let's go deep.
11:32
>> We leave our cameras in the warmer
11:33
waters where most of the food supply is
11:36
in hopes of catching El Monstruo coming
11:38
up for a meal or maybe a car wash
11:40
cleaning.
11:43
Then we venture down into the cold water
11:45
depths in search [music] of the monster
11:47
shark.
11:49
>> 25 m.
11:51
Water is very cold.
11:54
Temperature the monster like.
11:56
>> This is where the monster shark lives in
11:59
this cold water.
12:05
Woah, strong current down here.
12:08
>> Phil, don't separate to me.
12:10
Here the currents are more dangerous
12:12
than the sharks. The current can take
12:15
you very far in just few seconds.
12:22
>> The water right here is extremely rough.
12:23
I know that there are a ton of currents
12:25
underneath the surface that are very
12:28
dangerous to deal with, but we're on
12:29
this boat and we are getting tossed
12:31
around like rag dolls.
12:34
>> Current's taking me. Sandra, where are
12:36
you?
12:37
>> Don't fight against the current.
12:40
Stay calm.
12:42
>> This current's taking me for a wild ride
12:44
out here.
12:46
I've never faced a current this strong
12:48
before and the more energy I spend
12:50
fighting it, the more dangerous it
12:52
becomes as I'm expending precious air.
12:56
Separated from Sandra and still facing
12:58
strong currents, I decide it's time to
13:00
abort the dive [music] and leave the
13:01
cameras behind to do their work,
13:03
continuing to search for this shark
13:05
24/7.
13:08
All right, let's safely head back up.
13:16
Heather, over here. Heather.
13:18
>> We're coming for you, Phil.
13:20
I see your buoy. I see your buoy. We're
13:21
coming for you.
13:27
Right.
13:33
>> Have you guys seen Sandra?
13:34
>> No.
13:36
>> We got split up.
13:39
You guys see a buoy anywhere?
13:40
>> No where. Yours was the only buoy we
13:42
saw.
13:42
>> All right.
13:44
Yeah, currents were crazy down there.
13:45
>> Yeah, it's rough as hell up here. I
13:47
don't know how you're handling it.
13:48
>> Surrounded by hammerheads at one point.
13:52
Absolutely incredible. It's a heck of a
13:54
lot of sharks.
13:55
No monster sighting yet.
13:57
>> Keyword yet.
13:58
>> Yeah.
13:59
>> Yeah.
14:04
>> It's crazy how quickly the current
14:06
pulled us apart.
14:08
No sign of Sandra yet.
14:10
>> None.
14:10
>> I'm starting to get a little worried.
14:12
>> Sandra, do you copy?
14:16
Do you copy?
14:17
I CAN'T HEAR YOU.
14:38
>> [music]
14:41
>> YOU SEE HER?
14:42
>> NO.
14:46
THERE, THERE, THERE. BUOY, BUOY.
14:48
>> Let's go. Look, there's Sandra.
14:55
>> [music]
15:01
>> So, right now they're under the water
15:02
doing their safety stop.
15:04
They put up the safety marker to
15:05
basically let us know where they are.
15:07
With that length of dive and these
15:09
currents, they could easily take you a
15:10
few hundred yards away.
15:14
All right, she's good. She's good.
15:21
That was amazing.
15:22
>> It was really amazing, amazing, amazing.
15:25
>> Nonstop shark action.
