Deep Sea Conservation Coalition

The orange roughy can live 150+ years but doesn’t reproduce until it’s at least 20 years old.
These deep-sea fish form dense schools on seamounts to spawn, making them easy targets for bottom trawling.
Their story shows why precaution and protection are essential in the deep ocean.

#DeepSeaWonders

Promotional image for the Deep Sea Digest newsletter, featuring a striking close-up of a bioluminescent jellyfish. The text invites users to subscribe to receive everything about the deep sea directly in their inbox. Image credit: Schmidt Ocean Institute.

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Deep-sea mining isn’t a “just transition.”

It’s justice washing.

A new study shows how the climate crisis is being weaponised to justify extractivism in the Pacific under the guise of progress.

Read the article: https://www.sciencedirect.com/science/article/pii/S0959378025000901

#DefendTheDeep

🎉 Breaking News: The New Zealand government has announced major cuts to catch limits for orange roughy, cutting catch limits in half on the Chatham Rise.

The DSCC welcomes this news, calling for an end to bottom trawling on all seamounts. Read more: https://bit.ly/46xSogU

Image: NOAA

🔍 Deep-sea news alert! Our round-up brings you top stories from the ocean depths of the past few weeks.

Check the images to stay updated. #DeepSeaNews
@dialogueearth.bsky.social @oceanographicmag.bsky.social @grist.org

💡 New on the DSCC Knowledge Hub: Charlotte Jarvis explores how #DeepSeaMining threatens underwater cultural heritage.

Her new book, Threats to Our Ocean Heritage, is out today.

👉 Read more: https://bit.ly/4nIRIL5
📖 Book: https://bit.ly/3IoIsgh

#DefendTheDeep

9 Quick Questions About Deep-Sea Mining from My Congressional Briefing Last Friday, I was invited by Congressman Case to brief congressional staffers on the environmental impacts of deep-sea mining alongside former Deputy Assistant Secretary for Ocean, Fisheries and P…

A quick and dirty non-comprehensive write-up of my comments during my congressional briefing on deep-sea mining last Friday.

www.southernfriedscience.com/9-quick-ques...

Threats to Our Ocean Heritage: Deep Sea Mining

A new publication by The Ocean Foundation on Underwater Cultural Heritage and Deep Seabed Mining

🌊History on deep seabed mining
🌊The legal context
🌊How it fits into the new UN Convention on Law of the Sea
🌊The ecological impacts of deep seabed mining

Frontiers | Status of global seafloor mapping effort and priority areas for future mapping Several global and regional initiatives exist to increase the proportion of seafloor mapped by direct measurements, brought together through international co...

Only 29% of the world’s seabed has been mapped with modern tools. Progress is slowest in deep-sea areas and in low-income islands.

Scientists urge coordinated global action so the @seabed2030.bsky.social vision of a fully charted ocean can still be realised. #DeepSea @deepseaconserve.bsky.social

The deep ocean is already suffering the impacts of climate change: warming, acidification & deoxygenation. At #ClimateWeekNYC, we defend the deep:

❌ No bottom trawling
❌ No deep-sea mining
✅ Protect our greatest ally in the climate crisis

Learn more: bit.ly/4mpPob3

@climategroup.bsky.social

Not all scarily-named creatures are what you expect.

Meet the vampire squid, not a hunter but a small, soft, drifting cephalopod. It lives in the deep ocean where there is very little oxygen, eating marine snow. With big eyes & a strange appearance, it’s tiny but fascinating.

#DeepSeaWonders

🎉 A historic win for our ocean!

The #HighSeasTreaty just passed the 60 ratifications needed to enter into force! This landmark pact brings powerful new tools to protect the deep ocean and sets binding obligations for nations to uphold strong environmental standards: https://bit.ly/46LpKsy

The truth? We don’t need deep-sea mining.

✅ Smarter recycling
✅ Circular economy solutions
✅ Existing terrestrial sources

DSM would destroy fragile ecosystems & deliver little in return. We need a moratorium to #DefendTheDeep

Stay up to date: https://bit.ly/3K5Q1Jg

#StopTheMachines

Every night, billions of tiny fish rise from the deep in Earth’s largest migration. A new @jexpbiol.bsky.social study confirms what scientists long suspected: mesopelagic fish help lock carbon in the deep sea for centuries. Small fish, big climate impact.

🔎 More: https://bit.ly/4goVkiW

Must-watch: The trillion-dollar race to mine the ocean floor exposes the political deals, corporate greed & environmental destruction at the heart of deep-sea mining.

We need a #DeepSeaMining moratorium before it's too late.

Watch now: https://bit.ly/461XAt9

MBARI's advanced underwater technology reveals a new species of deep-sea snailfish • MBARI The bumpy snailfish is one of three new species of deep-sea snailfish described by MBARI collaborators at SUNY Geneseo.

Meet the newest (and cutest) addition to the snailfish family 🐟

MBARI collaborators @sunygeneseo.bsky.social have described three new deep-sea snailfishes, including one first discovered using MBARI’s remotely operated vehicle Doc Ricketts.

Learn more: www.mbari.org/news/mbaris-...

Three new species of deep-sea snailfish discovered off California coast Researchers have discovered three new species of deep-sea snailfish off the coast of California, including the bumpy snailfish, dark snailfish, and sleek snailfish.

Researchers exploring some of the deepest parts of the Pacific Ocean off the coast of California have discovered three new species of deep-sea snailfish.
🌊 🦑 🧪
fox5sandiego.com/news/califor...

Race to the Bottom Four Corners is the home of Australian investigative journalism.

Just dropped: ABC News' "Race to the Bottom" - a #DeepDive into #DeepSeaMining that’s anything but soothing. The new pirates are going for the #DeepSea.🌊🤿 #DeepSeaMining #DefendTheDeep #KeepItInTheSeabed

Our Executive Director, Sian Owen, explains how dragging nets across the seafloor wipes out habitats that took millennia to form.

While there’s progress in some places, many countries still allow trawling on vulnerable seamounts, ignoring science & UN commitments. www.linkedin.com/feed/update/...

Promotional image for Deep Sea Digest featuring a hand holding a model of a deep-sea octopus against a dark background, with text inviting viewers to explore content about the deep sea. Image credit: Schmidt Ocean Institute.

Read the latest issue of the Deep Sea Digest, our exclusive newsletter.

Stay informed, engaged & ready to #DefendTheDeep
👉 https://mailchi.mp/cef4beb5008f/deep-sea-digest-everything-on-the-deep-sea

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Frontiers | Future changes in environmental stressors for the seamount chains of the Southeast Pacific The submarine seamount chains of Nazca and Salas & Gómez in the Southeast Pacific are areas of high levels of both biodiversity and endemism. The intersectio...

⚠️ Climate models predict rising temperatures, falling pH, and contrasting changes in oxygen and nutrients across two Pacific #seamount chains, the Nazca and Salas & Gómez ridges.

These shifts could disrupt biodiversity hotspots and challenge conservation strategies. buff.ly/eDt30h3

American Samoa says no to deep-sea mining. The Trump administration might do it anyway. The CEO of a seabed mining startup says the decision about mining leases will be made in Washington, D.C.

“Our waters are not isolated. We live here.” Deep sea mining companies think it’s better to mine the “remote” Pacific seabed than mining on land. But American Samoans say NO to deep-sea mining. Read more from @grist.org : tinyurl.com/4snr2u6t
#DefendTheDeep #ProtectOurOcean

Mining for renewable tech inflicts huge damage. Is there a solution? Collecting the materials needed for renewable technologies is causing enormous environmental damage and could soon extend to the deep sea and even asteroids. Innovative solutions are poised to turn th...

Mining for renewable tech inflicts huge damage. Is there a solution?

"Collecting the materials needed for renewable technologies is causing enormous environmental damage and could soon extend to the deep sea and even asteroids."

www.newscientist.com/article/2491...

Promotional poster by the Deep Sea Conservation Coalition featuring a jellyfish with elongated tentacles, set against a dark ocean background. The poster includes the hashtag #deepseawonders and the logo of the Schmidt Ocean Institute.

Found from the surface to thousands of meters below, jellyfish are gelatinous drifters that thrive where few other animals can.

In the deep sea, many glow with bioluminescence, hunt with stinging tentacles, and even carry carbon to the depths when they die and sink.

#DeepSeaWonders #jellyfish

I’m obsessed with deep sea sharks: their bioluminescent spots are just visible in the pitch black environment they live in Most of these little-known but already endangered fish have never been seen alive in their natural habitat, but are under threat from bottom trawling and deep-sea mining

Marine biologist Ruth Leeney spotlights the amazing diversity of deep-sea sharks, from palm-sized to 3m giants, with bioluminescent camouflage. Yet they face huge threats from bottom trawling, risking population loss and ecosystem collapse.

Read more via @theguardian.com

Promotional poster for the Deep Sea Digest newsletter. Features a close-up image of a deep-sea fish, titled 'DEEP SEA DIGEST' at the top, with an invitation to subscribe to the DSCC newsletter below. Image credit: Schmidt Ocean Institute.

Big news! You can now subscribe to the Deep Sea Digest, our exclusive (previously members-only) newsletter.

Get updates on:
📢 Campaigns
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Straight to your inbox.
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The Pacific’s united front on climate action is splintering over deep-sea mining Four Pacific nations are backing deep-sea mining, while others worry about environmental consequences. The split could threaten the region’s climate leadership.

If some Pacific leaders open the door fully to #DeepSeaMining, it risks undermining the region’s united front on environmental issues and threatens its credibility. The way this plays out will shape how the world hears the Pacific on climate and the oceans"

theconversation.com/the-pacifics...

Promotional image for Deep Sea Wonders about hydrothermal vents, featuring marine life around a vent, provided by Schmidt Ocean Institute.

Hydrothermal vents - cracks in the seafloor where superheated water gushes out - were only discovered in 1977. Far from lifeless, they host unique ecosystems powered by chemosynthesis, not sunlight.

A reminder of how much we still have to learn about the deep sea.
#DeepSeaWonders #HydrothermalVents

With our friends at Deep Sea Conservation Coalition - Seamounts are underwater mountains teeming with life — from deep-sea corals to sharks, whales, and fish. They’re biodiversity hotspots, but destructive bottom trawling is tearing them apart.

marine-conservation.org/californias-...

Mining Companies Want Deep-Sea Nodules to Power Electric Vehicles, but Scientists Say They May Be Making ‘Dark Oxygen’ Deep-sea rocks packed with valuable metals may also be making oxygen in the deep, dark ocean—raising new questions about the cost of mining them.

Deep-sea rocks packed with valuable metals may also be making oxygen in the deep, dark ocean—raising new questions about the cost of mining them.