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What is thalassophobia, you may ask? Thalassophobia is a persistent and intense fear of deep water, such as the ocean or sea. What makes this phobia different from aquaphobia — the fear of water in general — is the fact that it centers on vastness, darkness, and depth. People who have this condition are not terrified of getting wet but rather of the might and mystique behind the waves.

It is, in fact, a scary thought — the endless depth of the ocean underneath your boat with unknown creatures filling the vast voids of unexplored seas. No, scratch that — you might even start getting uncomfortable just by looking at pictures depicting the endlessness of the deep blue seas! 

And if you were wondering what it is like to have thalassophobia or what images could cause this unsettling feeling, take a look at our selection of photos from the Thalassophobia subreddit. While we agree that at first glance, they are just beautiful, there indeed is a certain unsettling aura about them! 

#2

Grand Turks 700 Ft Drop

Grand Turks 700 Ft Drop

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louisebruton avatar
Louise B
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

At least there's one random stick to warn you that you're about to doggypaddle into eternity.

itisdarkestbeforedawn78 avatar
Beck
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

If you zoom in your can see the floating rope connected to it. But it still goes over the edge a bit.

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Chrissie Anit
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Is it dangerous to swim there? Like, are there currents that would suck you into the depths?

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Zeca Afonso
Community Member
1 year ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

If you look closely, there is some sort of rope, which is I assume is to prevent people from going further, however I don't think such think as currents that suck you to the bottom exist, you would just drown, if you can't swim

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Excited Panda
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

If the Gateway Arch was at the bottom, you'd have to swim down 70 ft to reach the top.

netizen avatar
Netizen
Community Member
11 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

.7,000ft drop.....Now just think about the Hollywood legend James Cameron & his chilling 2012 documentary "Deepsea Challenge". .wait wait, you guyz haven't watched this one yet. .right?...Well, he's still the only human on earth who did a SOLO dive to that depth in a specially built super advanced submersible...I'm talking about a undersea region named 'Challenger Deep' which's located in further depth of the Mariana Trench in the Pacific ocean..The Challenger Deep is the deepest known point on earth where the Sun never shines. You put the Mt. Everest [8,848ft] into that & place about 8 empire state buildings on the top of it one on another then the total length of the depth is completed...Several other people have went to the Challenger Deep but Cameron went there all alone!...I can't remember it properly but it's about 36,000mtrs deep from the ocean surface. . .& yes, life sustains at that alien depth...A fish got captured swimming over there... .

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Ross Duncan
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Quite a few of the lochs, here in Scotland, are like that. Most are Glacial pits so 20 or so feet out and boom... down you go.. and the water is freezing!

itisdarkestbeforedawn78 avatar
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netizen avatar
Netizen
Community Member
11 months ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

..7,000ft drop.....Now just think about the Hollywood legend James Cameron & his chilling 2012 documentary "Deepsea Challenge". .wait wait, you guyz haven't watched this one yet. .right?...Well, he's still the only human on earth who did a SOLO dive to that depth in a specially built super advanced submersible...I'm talking about a undersea region named 'Challenger Deep' which's located in further depth of the Mariana Trench in the Pacific ocean..The Challenger Deep is the deepest known point on earth where the Sun never shines. You put the Mt. Everest [8,848ft] into that & place about 8 empire state buildings on the top of it one on another then the total length of the depth is completed...Several other people have went to the Challenger Deep but Cameron went there all alone!...I can't remember it properly but it's about 36,000mtrs deep from the ocean surface. . .& yes, life sustains at that alien depth...A fish got captured swimming over there... .

lauramd avatar
Laura M D
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

What's the difference? As long as you can't touch the floor, it doesn't matter if there are thousands of meters or just a couple. You would drown anyway.

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Reenie Smith Shaw
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Ok. This one does it for me. Strike Grand Turks off my travel list. 😳

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Janet Graham
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

No wonder they get some really big fish (sharks) in the shallower waters.

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gracefullikeagazelle
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Oh lord. What monster is lurking in the depths to swallow me whole?? Hell no.

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Jo Chrisco
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I guess my fear(s) center around anything or anyplace than descends without stairs and a sturdy handrail. Even looking at this picture is disturbing.

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jeff fearnow
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I wonder how many items are just over the edge but 700' down. Still, looks awesome. the feeling of flying in water that clear is extraordinary.

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Jaguarundi
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I was on this beach a few years ago, I had no idea that drop is there!

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Lu
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Sudden drop off seems like a massive understatement

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Scott
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

It is actually a 7,000 Ft sheer drop wall. Not 700. There is a cannon there that marks the wall drop.

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Scott
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

It is actually a 7,000ft sheer drop wall. Turks wall. There is a cannon there that signals the drop. You can feel the water get cooler as you get closer and it is scary just snorkelling towards it.

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I'm.Just.A.Girl
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I wouldn't be any further than up to my neck .. no way. That's terrifying!

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Rcath
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I don't suppose you can see that from ground level, so that rope barrier was a great idea. I'm still not going there, but it's good to know the warning is there

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Cheesenacho
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I saw this for myself in Curaçao and scared the c**p out of me…

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Lara Verne
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

"Don't worry, water is shallow here, your feet touch the b-"

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Todoroki Simp
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

My uncle went swiming in this (i think) and said he will only swim in pools now because of it

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Paul Ellis
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Climate change will take care of it: in a couple of years there won't be any more Grand Turks above water.

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How Do I Know If I Have Thalassophobia?

If you experience feelings of anxiety and fear about the sea or any other large body of water, chances are, you have thalassophobia. The fear you might be experiencing is usually disproportionate to the danger the water poses to you at a given moment - the body of water might be calm as a mirror and still give you these unsettling feelings. As for the symptoms, thalassophobia shares them with other specific phobias, such as claustrophobia, and includes:

  • Sudden onset of anxiety or fear;
  • Shaking and trembling;
  • Sweating;
  • Dry mouth;
  • Increased heart rate or heart palpitations;
  • Difficulty breathing, including hyperventilating;
  • Chest pain;
  • Fear of losing control.
#3

Orcas In The Waves

Orcas In The Waves

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Ria C.
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

That is beautiful. Scary cause murder mammal in murder water. But beautiful nonetheless.

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#4

This Seaweed Through Clear Water

This Seaweed Through Clear Water

appealing_orange Report

What is Thalassophobia Caused By? 

Thalassophobia could be caused by traumatic events, such as a childhood near-drowning experience, witnessing a shark attack, never learning to swim, or even being told scary stories of the ocean.

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By associating a specific situation, such as being in deep water, with a panic response, over time, a phobia of that situation can develop.

However, if you’re unsure whether you do have thalassophobia or not, you can always take a thalassophobia test on the internet and discuss it with your mental health professional.

#6

"Uhhhh, There's More Than Just Kelp And Angelfish Down Here, Over"

"Uhhhh, There's More Than Just Kelp And Angelfish Down Here, Over"

1myuutsu4 Report

#7

British Underwater Photographer Of The Year Winner 2022

British Underwater Photographer Of The Year Winner 2022

heresyourhardware Report

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#9

Is To Me Or Are Black Tiled Pools Terrifying

Is To Me Or Are Black Tiled Pools Terrifying

Desperate_Squirrel20 Report

As we’ve mentioned in the beginning, it’s the mere thought about the depth of the ocean or creatures lurking in the bottom of a body of water that might cause thalassophobia, and the images from the Thalassophobia subreddit illustrate it really well. 

The group itself is very dedicated to the quality of its content and fostering a welcoming environment both for thalassophobes and ocean lovers. Interested to learn more about the community, we contacted the moderators of 'Thalassophobia', and they were kind enough to have a little chat with us.

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"Our core mod group has 4 active members, which is a small team for a subreddit of our size," they told Bored Panda. "Compared to other subreddits of our size, we don't feel like we police posts or comments as much. The reason we do so little policing can probably be explained by our subreddit's niche context that revolves around a very specific set of inoffensive content.”

#10

Taken Off The Coast Of Southern California 2 Weeks Ago

Taken Off The Coast Of Southern California 2 Weeks Ago

bram_stokers_acura Report

“We're just a bunch of people sharing stories, images, and videos of bodies of water that leave us in awe, wonder, and trepidation. Whenever we do police content, it's usually because it's a repost or focuses on a sea creature rather than the vastness of the ocean or the unknown depths of a body of water. We prefer for the ocean/water to play the primary role in content."

The mods also said the 'Thalassophobia' community is very passionate and filled with both ocean-fearing and ocean-loving people. "Based on previous polls we've had in the subreddit, it's split roughly 50/50 between those [two groups]."

"Although half of the community loves the ocean, everyone understands that there are people with a fear of deep water, and everyone is respectful of that in their posts and comments. It's a great community to be a moderator in," they explained.

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#13

The Deadliest Stream In The World - It Looks Normal, But Underneath It Is Full Of Caves Of Powerful Fast Moving Water That Will Drag You Down. 100% Fatality Rate

The Deadliest Stream In The World - It Looks Normal, But Underneath It Is Full Of Caves Of Powerful Fast Moving Water That Will Drag You Down. 100% Fatality Rate

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#15

When You Fear Of Flying And Your Fear Of Water Meet Each Other

When You Fear Of Flying And Your Fear Of Water Meet Each Other

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#16

Beach Weather Is Upon Us!

Beach Weather Is Upon Us!

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Why Is Deep Water So Scary? 

Although each one of us has different answers to the question, we have some thoughts about it, too. Deep water might appear frightful because of our inherited fear of the unknown — sounds simple, but it is still spooky. Then, there’s the factor of vulnerability as deep water and being in them makes us feel really small and exposed. 

Also, add the distinctive feeling of isolation when there’s nothing around you, just water, some more water, and a bit more of it, and you suddenly feel very alone and helpless. And lastly, the darkness of the bottom as if you’re staring right into the eye of the abyss. 

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We think that any of these factors are a good enough reason to have an immense fear, so if you think you have thalassophobia, don’t worry — it’s completely okay to experience it. In fact, up to 12,5% of the population experience a specific phobia every year!

#22

Because All My Friends Say This Photo Of Me Freediving Gives Them The Willies

Because All My Friends Say This Photo Of Me Freediving Gives Them The Willies

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ZentheOgre
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Start adding dark shapes in the backgrounds when you show them pictures. Items like Thomas the trains face, rubber duck, sushi rolls Cthulhu are common items that you could sneak in

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#27

Jacob's Well In Texas

Jacob's Well In Texas

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Turt_Le
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

It gives me the impression that you'd fall/sink/get pulled down if you swam over the opening as illogical as that sounds

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#29

Guadalupe Island, The Most Terrifying Place On This Planet

Guadalupe Island, The Most Terrifying Place On This Planet

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Evelyn
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

*Remember there are more people bit by humans in NYC than by sharks in the world* Save the sharks!

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#30

There’s Something Particularly Terrifying About The Idea Of Water You Can’t Even Float In

There’s Something Particularly Terrifying About The Idea Of Water You Can’t Even Float In

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Izzy Curer
Community Member
1 year ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

They put these signs on the aeration tanks at water purification plants. While there have been a few people who have fallen in and drowned, whether or not aeration would cause a human not to float hadn't really been tested until more recently. It turns out humans can float in an aeration tank, and it's now thought that those who drowned died of other complications. They still keep the signs up, though, since the tanks are still dangerous in general, and also because they're full of icky water that no one should really want to be in.

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#31

The Bottom Of An Iceberg

The Bottom Of An Iceberg

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Ash
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

That's beautiful. I know what it is, but I can convince my brain it's something else.

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#32

Whirlpools Are Actually Terrifying, You Guys

Whirlpools Are Actually Terrifying, You Guys

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#33

Swimming Next To A Ship In The Open Ocean, Miles From Land

Swimming Next To A Ship In The Open Ocean, Miles From Land

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Grace Austin
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

That dude in the middle- is he drowning? Is he calling out for help? Is he waving to the camera? Is he voguing?

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#34

A Diver Riding A Giant Underwater Worm (Pyrosoma Atlanticum)

A Diver Riding A Giant Underwater Worm (Pyrosoma Atlanticum)

Ok-Interaction-4693 Report

#35

Brine Pools Are Just The Scariest Shit

Brine Pools Are Just The Scariest Shit

DedotadedWham Report

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#36

Apparently This Is The Sunken Goddess Sculpture- That’s All I Know But Look At How Big It Is!

Apparently This Is The Sunken Goddess Sculpture- That’s All I Know But Look At How Big It Is!

Otherwise-Drama-8586 Report

#37

Walked About 30 Minutes Out During Low Tide To Read This!

Walked About 30 Minutes Out During Low Tide To Read This!

ChaeusXCVI Report

#38

This Is An Under-Ice Observation Tube In Mcmurdo Station, Antarctica

This Is An Under-Ice Observation Tube In Mcmurdo Station, Antarctica

vinyl_soda Report

#39

Depth: Infinite Ft

Depth: Infinite Ft

abagelinmynavel Report

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Grace Austin
Community Member
1 year ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Kids, who’s ready to go on the bottomless pit water slide? It feels like it never ends!

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#40

This Grounded Ship Looking Like A Giant Meg

This Grounded Ship Looking Like A Giant Meg

roncastelino Report

#41

Anybody Who Wants To Take A Dip?

Anybody Who Wants To Take A Dip?

Beta_Whisperer Report

#43

That Last Point Made Me Double Take

That Last Point Made Me Double Take

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#44

Fresh Water Always Creeped Me Out More Than The Ocean. The General Low Visibility And Feeling "Enclosed" With Whatever Was In The Water Was Always Gnawing At The Back Of My Mind.

Fresh Water Always Creeped Me Out More Than The Ocean. The General Low Visibility And Feeling "Enclosed" With Whatever Was In The Water Was Always Gnawing At The Back Of My Mind.

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ZentheOgre
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Hah the myth about that particular dolphin. They are shapshifting tricksters that will try to drown you and turn you into a dolphin and then morph into you and take your place in your family.

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#46

Flip (Floating Instrument Platform), A Ship Flipping Vertically To Study The Behavior Of Sound Waves Underwater

Flip (Floating Instrument Platform), A Ship Flipping Vertically To Study The Behavior Of Sound Waves Underwater

JulPfl Report

#47

Going Through Old Pics, Thought I Would Drop This Here

Going Through Old Pics, Thought I Would Drop This Here

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ZentheOgre
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Just a friendly shark debating if they are worth a selfie. (Upper right look for dark shape)

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#48

Black Lined Pools Are A Thing… And They’re Terrifying

Black Lined Pools Are A Thing… And They’re Terrifying

LestrangeLauren Report

#49

It's A Nice Peaceful Day Until You Get A Glimpse Of What Lies Beneath

It's A Nice Peaceful Day Until You Get A Glimpse Of What Lies Beneath

Desperate_Squirrel20 Report

#50

Found This Gem On Tumblr

Found This Gem On Tumblr

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Note: this post originally had 142 images. It’s been shortened to the top 50 images based on user votes.