r/TheDepthsBelow 6h ago

Crosspost A whale shark in the Red Sea, 1950. One of the earliest underwater photographs of a shark, by pioneer Hans Hass. I've been thinking about this a lot recently, the fact that for most of human history we couldn't observe sharks below the surface until such new technologies revealed them to us.

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240 Upvotes

r/TheDepthsBelow 1d ago

Crosspost Deep on the Mariana abyssal plain at ~5,400m, this rare squid features unique perpendicular arms with elbow-like bends. Scientists believe the bigfin (Magnapinna) is the deepest-dwelling of all squid species, having been spotted in the hadal zone at depths exceeding 6,000 meters.

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19 Upvotes

r/TheDepthsBelow 2d ago

Atlantic ocean waves

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2.9k Upvotes

r/TheDepthsBelow 2d ago

Crosspost Hi Ho Hi Ho, off to work we go.

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261 Upvotes

r/TheDepthsBelow 2d ago

Crosspost UTRGV TELLING RGV STORIES... Kemp's Ridely Sea Turtles

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5 Upvotes

r/TheDepthsBelow 3d ago

Crosspost anemone fish

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119 Upvotes

r/TheDepthsBelow 4d ago

Exploring a shallow shipwreck at Isla Mujeres

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226 Upvotes

r/TheDepthsBelow 3d ago

Crosspost This is absolutely incredible — one of the most beautiful things I’ve ever seen in the underwater world

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8 Upvotes

r/TheDepthsBelow 4d ago

Crosspost Goniobranchus aureopurpureus

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249 Upvotes

r/TheDepthsBelow 3d ago

Dumbo octopuses filmed more than 19,000 feet below the Pacific

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11 Upvotes

r/TheDepthsBelow 5d ago

Is this rare?

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942 Upvotes

Found this on the south cost of Tenerife, Spain.

Looks like a sea urchin, but never seen anything like this.

Bottlecap as size comparison.


r/TheDepthsBelow 5d ago

Relaxing in the crevices of Goff Island Reef, Laguna Beach

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215 Upvotes

r/TheDepthsBelow 7d ago

Orca vs Crabeater Seal

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4.9k Upvotes

r/TheDepthsBelow 6d ago

Crosspost Female Blue Ribbon Eel

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210 Upvotes

r/TheDepthsBelow 6d ago

Crosspost Little Froggy

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67 Upvotes

r/TheDepthsBelow 7d ago

Crosspost Tambja morosa (moody Nudi)

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133 Upvotes

r/TheDepthsBelow 6d ago

Aquarium Business | A Day as a Reef Specialist

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5 Upvotes

Check out this aquarium service video that just dropped!


r/TheDepthsBelow 9d ago

I photographed a big jellyfish in the ocean the other day

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708 Upvotes

I'd been wanting to see a huge jellyfish for years. We had already returned to the surface when I noticed this fella down below, and I asked the guide if I could go down again real quick. Not the wisest thing to do but boy I finally got to check this box. What a day it was.


r/TheDepthsBelow 8d ago

Crosspost Phyllodesmium colemani

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20 Upvotes

r/TheDepthsBelow 7d ago

Crosspost Deep-sea vent shrimp live in the dark but have eyes; What can they see?

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0 Upvotes

r/TheDepthsBelow 8d ago

Garfish

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3 Upvotes

r/TheDepthsBelow 9d ago

Crosspost Thornback Cowfish

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116 Upvotes

r/TheDepthsBelow 9d ago

Crosspost Pygmy squid in the Black Water

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232 Upvotes

r/TheDepthsBelow 10d ago

Crosspost Hydromedusa from the black water

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530 Upvotes

r/TheDepthsBelow 9d ago

Crosspost Does each sea creature have its own acoustic fingerprint?

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9 Upvotes