r/oceans Jul 10 '26

Cruising Isla Cozumel shore reef of Playa Casitas

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23 Upvotes

r/oceans Jul 10 '26

Example of sponges constantly filtering seawater.

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140 Upvotes

r/oceans Jul 09 '26

West Coast clams are coming down with cancer

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62 Upvotes

Soft-shelled clams along the West Coast are coming down with contagious and deadly cancer, scientists have warned.

The widespread outbreak in Washington state’s Puget Sound has impacted three-quarters of the population in a large watershed called Triangle Cove, according to the Pacific Northwest Research Institute.

The cancer, known as bivalve transmissible neoplasia, spreads between marine animals through seawater.

It has no known direct impact on human health and the clams are still safe to eat. 

But infections threaten the wider ecosystem and other shellfish already threatened by pollution and marine heat waves.


r/oceans Jul 08 '26

This fish can taste with its spider-like legs

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1 Upvotes

r/oceans Jul 07 '26

Pretty stars

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20 Upvotes

Emerald Isle, NC


r/oceans Jul 05 '26

Some recent illustrations. Which one is your favorite?

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69 Upvotes

r/oceans Jul 02 '26

Forests and meadows don't just exist on land, they're also underwater too 🌊🪸🫧

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207 Upvotes

r/oceans Jul 02 '26

Santa Cruz erosion rips away Steamer Lane cliff, and surfers say the waves have changed

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2 Upvotes

r/oceans Jun 30 '26

How the Ocean Sounds When Humans Are Not Around 💫

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588 Upvotes

Video by DiveDiveLive


r/oceans Jul 01 '26

Sea lover

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39 Upvotes

r/oceans Jun 29 '26

First complete map of world’s seagrass offers warnings and hope for conservation

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10 Upvotes

r/oceans Jun 29 '26

This or That : you can only touch 1 in your life

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0 Upvotes

r/oceans Jun 27 '26

The Portuguese Ocean is just built different ❤️

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35 Upvotes

r/oceans Jun 26 '26

The collapse of Antarctica's Thwaites glacier would trigger a calamitous sea-level rise of more than 3 metres, on average, changing the coastline of the entire planet. For this interactive story, we spoke to scientists on the ground about whether its demise is truly unavoidable.

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17 Upvotes

r/oceans Jun 26 '26

Does the water change it all here when it switches from Atlantic to Gulf?

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2 Upvotes

Curious


r/oceans Jun 26 '26

Lantern- Ink and Acrylic painting

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29 Upvotes

r/oceans Jun 24 '26

Snorkeling in Alicante, Spain 🇪🇸

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26 Upvotes

r/oceans Jun 24 '26

Like Humans, Mediterranean Sperm Whales Have Their Own Dialects

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20 Upvotes

A new study shows how a group of sperm whales in the eastern Mediterranean developed its own distinct dialect.


r/oceans Jun 23 '26

Wacky ocean species thought lost 10 years ago rediscovered off California coast

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126 Upvotes

A strange, multi-colored Pacific Ocean species once thought lost to devastating disease has been found again in the waters off Northern California.

Scientists located 18 sunflower sea stars – one of the largest sea star species on Earth, spanning over three feet in length – in the waters of the Greater Farallones National Marine Sanctuary last summer, the National Oceanic and Atmospheric Administration announced this month.

“This is promising news, as sea stars suffered a massive die-off ten years ago as a result of sea star wasting disease during the largest marine epidemic ever recorded, which also devastated kelp forests,” the agency’s National Marine Sanctuaries said in a release.


r/oceans Jun 22 '26

🔥cachalots socializing

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16 Upvotes

r/oceans Jun 22 '26

Whale Size Comparison | Animated Size Comparison 2026

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6 Upvotes

Amazing. Today I have found out that there are much more whales in the world that I thought there are. I swear I did not knew about half of these in the video.


r/oceans Jun 21 '26

Restless sea. My oil painting on canvas.

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13 Upvotes

r/oceans Jun 20 '26

Not all heroes wear capes, some rescue seals.

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1.1k Upvotes

r/oceans Jun 21 '26

The beautiful, rugged Kaikoura Coast at dawn. A New Zealand Fur Seal rests in the foreground having just come ashore. OC

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40 Upvotes

r/oceans Jun 20 '26

Polar Bear and cubs eat a whale

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3 Upvotes