REEF Scuba

REEF Scuba REEF Scuba integrates a Restoration, Ecology, and Environment Focus (REEF) into all levels of recreational scuba instruction.

How many of these interesting shark facts did you already know? 🦈Shark Week may be ending, but learning about and protec...
08/02/2026

How many of these interesting shark facts did you already know? 🦈

Shark Week may be ending, but learning about and protecting sharks is a year-round mission.

Sharks help shape marine food webs. Their presence can influence where other animals feed and move, while some species transport nutrients between habitats. Yet many sharks grow slowly, mature late, and produce few young, making their populations especially slow to recover from overfishing and bycatch.

The more we understand these often-misunderstood animals, the easier it becomes to replace fear with respect and recognize why protecting sharks matters for the ocean as a whole. 💙

➡️ Curious to learn more? We have five more lesser-known shark facts coming in the next REEF Swell newsletter. Subscribe through the link in our bio.

Special thanks to our intern Nicole Castilla for researching these fascinating facts!

Credits: Footage by Kyle Roepke. Images courtesy of Open Planet , Ocean Image Bank, and Wikimedia Commons, including photographs by Elias Levy (CC BY 2.0) and Hemming1952 (CC BY-SA 4.0).

The wait is over. Our new Reef Roundup episode is now live! 🎙️🌊In this episode, we sit down with Dr. Dirk Petersen, foun...
07/29/2026

The wait is over. Our new Reef Roundup episode is now live! 🎙️🌊

In this episode, we sit down with Dr. Dirk Petersen, founder and executive director of SECORE International, to explore how coral reproduction could reshape the future of reef restoration.

For more than two decades, SECORE and its partners have been developing Coral Seeding, an approach that harnesses corals’ natural reproductive potential to produce genetically unique young corals and return them to degraded reefs.

But what happened when some of the worst marine heatwaves in Caribbean history put years of restoration work to the test?

Dirk takes us from coral spawning dives to a growing global network across the Caribbean, Indian Ocean, and Pacific. He shares what it takes to move restoration from research into practice, why long-term training and local partnerships matter, and whether these efforts can scale quickly enough to meet the accelerating crisis facing coral reefs.

Can restoration help reefs survive what is coming, or are we running out of time?

🎧 Listen now via the link in bio.

Mentioned in this episode:
FUNDEMAR

You can also follow on Instagram to see more.
07/28/2026

You can also follow on Instagram to see more.

Oftentimes just one night per year, guided by the moon and warming seas, entire coral colonies release tiny bundles of e...
07/28/2026

Oftentimes just one night per year, guided by the moon and warming seas, entire coral colonies release tiny bundles of eggs and s***m into the water in near-perfect synchrony.

SECORE International has spent over two decades studying how to catch that moment and turn it into a restoration tool.
Their comprehensive approach to coral reef restoration combines science-driven methods and innovative technology, hands-on mentorship, and locally customized solutions. SECORE’s Coral Seeding method promotes genetic diversity and enables mass production of coral larvae by taking advantage of corals’ own reproduction potential. The process includes collecting spawn, crossing genotypes, raising larvae, and seeding them back onto degraded reefs.

During the catastrophic 2023 Caribbean heatwave, corals SECORE had bred and seeded stayed healthy while wild colonies around them bleached and died.

Now, through the Global Coral Tech Transfer Project, SECORE has partnered with AIMS and FUNDEMAR to create a restoration Coral Seeding toolbox that can be implemented on a large scale across different regions to boost reef resilience.

Dr. Dirk Petersen, SECORE’s founder, joins us on REEF Roundup soon. Subscribe so you don’t miss it.
Link in bio!⬆️

Photo credits:
Cover photo: Leandra & Melina 🌞 , Katrina McPherson, REEF Scuba Team, Philippines
Slide 2: Ocean Image Bank
Additional SECORE photos: © Reef Patrol & Paul Selvaggio | SECORE International

Opening a new tab is something we do without thinking, dozens of times a day. What if that half-second became something ...
07/21/2026

Opening a new tab is something we do without thinking, dozens of times a day. What if that half-second became something beautiful instead, a small reminder of the majesty of the ocean in the middle of a busy day?

That was something we wanted, so we built it. Now, we’re offering it to you for free, no strings attached. ;)

The REEF Scuba OceanView extension opens every new tab with a beautiful ocean photo, courtesy of incredible photographers featured by The Ocean Agency and the Ocean Image Bank.

You’ll also get real-time marine data on every new tab, including water and air temperature, wind speed and direction, swell height, and an hourly tide chart.

Drag the widget anywhere on your screen, switch between metric and imperial units, and even add your own ocean photos to the rotation.

Our goal was to make it clean, beautiful, and full of possibilities, just like we want the ocean to be. 🌊

Free for Chrome-based browsers. Find it on the Chrome and Edge web stores, or comment “OCEAN” and we’ll send you the link.

Photo credits:
Dani Escayola / Ocean Image Bank; Emilie Ledwidge / Ocean Image Bank; Gregory Piper / Ocean Image Bank; Kurt Arrigo / Ocean Image Bank; Tom Vierus / Ocean Image Bank

🅓🅐🅝🅘 🅔🅢🅒🅐🅨🅞🅛🅐
Emilie Ledwidge
Gregory Piper
Kurt Arrigo
Tom Vierus

🪸 Happy World Reef Day! 🌊Today, we celebrate coral reefs, some of the most beautiful, diverse, and important ecosystems ...
06/01/2026

🪸 Happy World Reef Day! 🌊

Today, we celebrate coral reefs, some of the most beautiful, diverse, and important ecosystems on Earth.

Though they cover less than 1% of the ocean floor, reefs support around 25% of all marine life, protect coastlines, and sustain communities around the world.

But these ecosystems are under growing pressure from climate change, pollution, and many local and global stressors.

That’s why understanding, restoring, and protecting reefs matters more than ever.

💙 We protect what we love, and we love coral reefs.

Learn more through the link in our bio⬆️

“Water Bankruptcy.” It sounds intense, but it’s actually a tool for hope. 🌊💙A new report from UN scientists (), authored...
05/22/2026

“Water Bankruptcy.” It sounds intense, but it’s actually a tool for hope. 🌊💙

A new report from UN scientists (), authored by , suggests we stop using the word “crisis.”

A crisis is temporary. What many regions are facing is bankruptcy: a state where we have overspent our water budget for so long that the old normal is gone.

But here is the hopeful part: bankruptcy can be the beginning of restructuring.

For ocean lovers, this matters because the ocean is downstream of everything. Healthy reefs and coasts rely on freshwater flowing naturally from land to sea. When that cycle breaks upstream, the coast feels the loss.

We don’t need to be afraid of the data. We need to be honest about it.

Swipe through to see how “bankruptcy” can become the beginning of recovery.

Read the full report at the link in bio.⬆️
Report by , authored by

New REEF Roundup episode is out now! 🌊In this episode, we sit down with Briony Venn, Marine Campaign Organiser at the Bo...
05/20/2026

New REEF Roundup episode is out now! 🌊

In this episode, we sit down with Briony Venn, Marine Campaign Organiser at the Bob Brown Foundation in Tasmania, for a powerful conversation about Antarctic krill fishing, marine campaigning, and what it takes to turn ocean concern into action.

Antarctic krill are a keystone species of the Southern Ocean, feeding whales, penguins, seals, seabirds, and entire Antarctic food webs. Yet more than 500,000 tonnes are harvested every year, even as climate change places growing pressure on the ecosystem.

Briony helps unpack the ecological stakes, the industry narratives around krill fishing, and the campaign strategies being used to challenge an expanding fishery.

The episode also includes a bonus conversation with Captain Paul Watson on Operation Krill Wars and recent direct action in the Southern Ocean.

If you care about Antarctic ecosystems, ocean advocacy, and the future of marine conservation, this is an episode worth listening to.

Listen via the link in bio ⬆️

Mentioned in this episode:


🌊New REEF Roundup episode is out now.In this episode, we had the honor of sitting down with Dr. Andréa G. Grottoli, Dist...
04/29/2026

🌊New REEF Roundup episode is out now.

In this episode, we had the honor of sitting down with Dr. Andréa G. Grottoli, Distinguished Professor of Earth Sciences at The Ohio State University and inventor of the Underwater Zooplankton Enhancement Light Array, known as UZELA.

Drawing on over 30 years of research into coral feeding and bleaching physiology, Dr. Grottoli shares how her work led to the development of a technology designed to improve survival outcomes for corals in restoration efforts.

We explore what happens to corals during bleaching, why feeding matters for resilience, and how targeted innovation can support reefs facing growing environmental stress.

This is an insightful conversation at the intersection of coral biology, restoration, and blue technology.

Don’t miss this episode. Listen now via the link in bio⬆️

Dr. Andréa G. Grottoli








corals

🎙️ New Episode Out Now...In this episode, we sit down with Dr. Sambuddha Misra, chemical oceanographer, associate profes...
04/15/2026

🎙️ New Episode Out Now...

In this episode, we sit down with Dr. Sambuddha Misra, chemical oceanographer, associate professor at the Indian Institute of Science, and Chief Scientist at Alt Carbon.

At the center of this conversation is a simple but powerful idea: accelerating a natural geological process to remove CO₂ from the atmosphere.

Through Alt Carbon’s Darjeeling Revival Project, we explore how crushed basalt, rainwater, and atmospheric carbon interact to drive carbon removal, restore degraded soils, and create measurable environmental impact.

This episode examines the real-world challenges of implementation, from scaling operations to verifying carbon removal in complex natural systems.

🎧 Listen now on your favorite podcast platform.
Link in bio!

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