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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! 

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

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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!

parentsttr Report

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

NMDA_GABA Report

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

Ah, swimming stations. Where the closest land is 1 mile away, straight down...

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

Did this a lot while in the Marines, shooters are posted on deck to keep an eye for sharks!

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

Sounds good in theory. Still, these people are all very close together. Beneficial if someone gets into trouble swimming, but not so good if somebody on deck has to shoot at a shark.

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

My dad has pictures like this from his Navy days swimming over the Mariana Trench

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

Is it just me or is there a red thing at the bottom left corner behing the man?

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

OMG! Notice… they're all dudes … no intelligent woman would ever do that!

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

I'm not a good swimmer, but the fact it's the deep sea wouldn't scare me. What would is the thought I might get forgotten when the ship sails away.

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

Mostly I'm just concerned about whether that ginger is wearing sunscreen.

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Martin McHugh
Community Member
3 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

That's it! Large moving bodies in water. Imagine a submarine periscope popping up as you swim...!!! Nightmare.

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

nope. what if you get left behind accidentally... no chances taken here.

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

The sharks are like, "Look, a PEZ dispenser!" /s

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

Looks like a bachelor's party went out of hand and the ship's crew had enough.

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

This is how I would do it.. In a large group with several vested lifeguards watching over me!

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

i swam next to a small boat and felt my feet being pulled under. Swimming next to that is utterly terrifying.

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

Have done that before several times just don't lose track of the ship!

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

Submechanophobia again! As well as thalassophobia, and megalophbia to boot!! This is a GIANT no way in blazing Hèll, for me! Um, no megalophbia pun intended, lol. Seriously. Fûck cooling off. I will go right ahead and die of heatstroke, LMAO!!

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

If you're in the Navy, you'd better not have a phobia of deep water. Plus if you drown, the Navy will charge you with destruction of government property and bill your estate for burial costs(if your body is recovered)!

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

I'm older (old) and wiser now. But, as kids, traveling by Navy ship to the (from the?) Philippines in the '50s, we did go swimming like this. No one thought about "what's down there?"

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

Gives me the w*****s, thinking of creatures coming up from below, not to mention the giant propellers that I fear will suck me under the ship and chop me up into chum.

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

The guy in the right foreground must see the dorsal fin coming in fast.

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

I am more concerned about the thing underwater at the bottom left!

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

Yikes, nightmare come to life! Terrified yet fascinated by enormous ships....

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

No f***ing way will you get me out there! If I was ordered to do that, I would have every life jacket on me or tied to me before I got near the edge.

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

Navy and Marines do this from our respective carriers. The fun part is jumping off the elevators that carry the aircraft up to the flight deck. We have a huge party day on the flight deck with food and beer and most people get the day off. Its a great time.

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

Been there and done that! You can tell from the haircuts that they are crayon eaters/ Marines

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

I'm more freaked thinking about how water can end up in the ship through that giant hole, eventually taking it all down :-0

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

Swim call!! I did this a couple times while in the Navy. So much fun!

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

Been there done that. Of course I was much younger and immortal then.

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

Very first light, chief. The sharks come cruisin'. So we formed ourselves into tight groups. You know it's... kinda like ol' squares in battle like a, you see on a calendar, like the battle of Waterloo. And the idea was, the shark comes to the nearest man and that man, he'd start poundin' and hollerin' and screamin' and sometimes the shark would go away. Sometimes he wouldn't go away. Sometimes that shark, he looks right into you. Right into your eyes. You know the thing about a shark, he's got...lifeless eyes, black eyes, like a doll's eye. When he comes at ya, doesn't seem to be livin'. Until he bites ya and those black eyes roll over white. And then, ah then you hear that terrible high pitch screamin' and the ocean turns red and spite of all the poundin' and the hollerin' they all come in and rip you to pieces.....

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

The only scary thing here is that no one would see you drown. Too many people in a large area in the sea... not a soul would notice you.

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

my dad and ex would tell me of these events when they were on cruise. they said that their were people looking out for sharks and such and that on some of the ships that carried amphibious equipment the back would be opened to allow water in and then closed for safety. still, don't think i could do this without a tank

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

used to do that same if it is 6' deep or 600 miles.

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

That's what scares me the most...Seeing a huge ship so close and from that perspective!! For some reason it is terrifying to me!

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

My husband said that when he was in the Canadian navy they would post armed men in lifeboats around the men so they could swim in the middle of the Pacific for recreation.

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

Imagine knowing the bottom is few kilemeters down from there.

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

I think I could handle it with a large group of people, like this photo. 1 less person and I call it off

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

Yeah... thanks. Have fun, I'll stay and guard that nice, big steel-ship. At least someone will have to call your kin and try to explain how that massive, toothy, thingy out of the depth, pulled you down, without sounding badsh*t crazy. --- I volunteer.

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

This is the moment that show if you are cut out to be a marine.

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

Yikes! One of them is already being pulled down.... (bottom left corner)

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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

sighdoihaveto Report

#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

JesseKarma Report

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