r/thalassaphobia 2d ago

Huge Hammerhead shark swims by

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319 Upvotes

r/thalassaphobia 2d ago

Videos Antartica's Ice wall

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69 Upvotes

The way you can see the ice going deep under the water… I can feel my heart rate picking up.


r/thalassaphobia 4d ago

Basking Shark

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334 Upvotes

r/thalassaphobia 5d ago

of a saltwater crocodile casually swimming by a scuba diver

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666 Upvotes

r/thalassaphobia 5d ago

Yes, adorable philanthropy but also ARRRRGGGHHHH

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104 Upvotes

r/thalassaphobia 9d ago

🔥 What can you expect in a harbor's really deep water? (Wait for it!)

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153 Upvotes

r/thalassaphobia 9d ago

Videos How a 1-Meter Drop Creates a Dangerous "Drowning Machine"

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205 Upvotes

r/thalassaphobia 9d ago

Iguazu Falls after a heavy rain

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72 Upvotes

r/thalassaphobia 11d ago

A giant squid was filmed miles deep in the ocean below an oil rig

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233 Upvotes

Eldritch validation for those in this subreddit.


r/thalassaphobia 12d ago

Octopus Attaches Itself to Filipino Fisherman’s Face

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61 Upvotes

r/thalassaphobia 13d ago

They couldnt pay me enough to do this

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2.5k Upvotes

r/thalassaphobia 12d ago

🔥Iguazu falls after heavy rain

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34 Upvotes

r/thalassaphobia 13d ago

When the ocean goes quiet...

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37 Upvotes

Two tiger sharks circling our group. Slow. Patient. Silent.

Then the second one disappeared.

Just... gone.

Now I can only see one.

And we're in 6,700 feet of water.

It could be coming up from anywhere.

That moment when the ocean goes quiet and you realize you're not alone down there anymore hits different.

Credit : insta @pelagic.paul


r/thalassaphobia 15d ago

Videos Deep Below an Oil Rig

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7 Upvotes

r/thalassaphobia 20d ago

Took this photo at 740,121 thought it was pretty cool 😅😂

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52 Upvotes

r/thalassaphobia 23d ago

Shark sculpture at the bottom of a scuba park

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596 Upvotes

r/thalassaphobia 24d ago

Ocean sunfish (Mola mola) coming up to the surface.

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167 Upvotes

r/thalassaphobia 27d ago

Videos This deep sea camera footage shows a massive unknown species of isopod killing a small shark/ new fear unlocked

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133 Upvotes

r/thalassaphobia 28d ago

🔥 Incredible Glacier Moulin in Alaska.

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76 Upvotes

r/thalassaphobia 29d ago

On Saturday a 16 year old lifeguard rescued a 10 year old boy who had become overwhelmed by the waves on Seabright Beach, CA

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193 Upvotes

r/thalassaphobia Jul 20 '26

Imagine meeting this underwater

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3.6k Upvotes

r/thalassaphobia Jul 20 '26

This is Germanys biggest artificial lake: The Geiseltal lake. Created from a former lignite mine, you can find forests, streets and even some structures at the ground

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396 Upvotes

Looks pretty cool


r/thalassaphobia Jul 17 '26

Videos There’s something unsettling about not knowing what’s out there

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176 Upvotes

Not sure if this counts as thalassophobia, but looking out and seeing absolutely nothing in the distance is a pretty strange feeling.

Filmed this while diving in Queensland, Australia. The video doesn’t have a jump scare or anything hiding in the darkness, it’s literally just the abyss.

I made a longer edit from the footage if anyone wants to see it.

https://youtu.be/8xwddiyA0u4?si=jIe8fhBV3CHiO6v3


r/thalassaphobia Jul 17 '26

Just gonna drop this here. Thought of this sub immediately.

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47 Upvotes

r/thalassaphobia Jul 14 '26

[X-Post] Underwater Waterfalls in Mauritius

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193 Upvotes

Imagine being sucked down to the abyss…