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Become an active participant in coral reef protection with our masterclass for divers.


Acropora colony - Acropora millepora
Divers on a coral protection course - Photograph © Martin Colognoli


Coral reefs are among the richest and most threatened ecosystems on the planet. Faced with the climate emergency and ocean degradation, every action counts. As a diver, you have a front row seat. This unique masterclass gives you the keys to understanding, protecting, and taking action. This scientific content, accessible to all levels, is designed for those who want to do more than just contemplate: get involved.



Why take a course dedicated to coral reef protection?



Reefs are in danger: understanding to act better


Coral reefs are the rainforests of the sea. They are home to more than 25% of marine species and provide food, protection, and income to millions of people. But they are disappearing at an alarming rate. Bleaching, acidification, pollution, poorly managed tourism… the threats are numerous. And yet, there are concrete solutions, accessible to all.


Understanding how reefs function and their fragility is the first step toward more responsible diving. This training provides you with a solid scientific foundation, translated into concrete actions.



A useful commitment for each dive


Diving is a privilege. And with it comes a responsibility.


Adopting good underwater reflexes, identifying signs of reef stress, transmitting a message of preservation... Each immersion can become an act of commitment.


This masterclass prepares you to become a reef awareness relay, both on and off the field.




Coral reef restoration
Online course on coral reef biology - masterclass for divers- Photograph © Martin Colognoli



A masterclass designed for divers


Accessible to all levels: beginner to expert


You don't need to be a biologist or a diving instructor. This course is open to anyone who dives, whether beginner or experienced, curious or already committed.


The content is progressive, clear, and illustrated with concrete examples from the field.


An educational approach between science, fieldwork and action


This masterclass is based on three pillars:


  • Knowledge : to understand corals and reefs

  • Observation : to refine your vision underwater

  • Action : to adopt the right actions and contribute to preservation


Each module is accompanied by videos, illustrations, testimonials and tools to download.



A flexible and interactive format

You progress at your own pace. The videos are accessible online 24/7.


A discussion space allows you to ask questions and share your experiences with other divers from around the world.



Snorkeler observing healthy coral - conservation awareness - Photograph © Martin Colognoli
Snorkeler observing healthy coral - conservation awareness - Photograph © Martin Colognoli


Training content: what you will learn


Coral biology and reef functioning


What is a coral polyp?

  • How is a reef formed?

  • Why do corals bleach?

  • What is the role of marine symbioses?



Current threats and conservation solutions


The impacts of global warming and acidification

  • The effects of plastic pollution

  • Ecological restoration strategies

  • The importance of marine protected areas



Concrete actions to take underwater


Responsible diving techniques

  • Responsible diving techniques

  • Behaviors to avoid

  • Observation and reporting of anomalies

  • Involvement with NGOs or local projects



Inspiring case studies and testimonials


Each module is enriched by true stories:

  • Local communities restoring their reefs

  • Divers become agents of change

  • Joint artistic and scientific projects



An expert trainer, committed to the field


Why Martin Colognoli: photographer, scientist, co-founder of Coral Guardian


For over 15 years, Martin has been exploring, documenting, and protecting the world's reefs. A marine biologist by training, he is also the co-founder of the NGO Coral Guardian , which specializes in participatory coral reef restoration.


Through his vision as a committed photographer, he shares a sensitive and documented approach to the living. His projects—such as Coral Rebirth and Madame Water —have been exhibited in museums and international conferences, and relayed by committed media outlets.


A pedagogy based on experience and passion


Martin doesn't just pass on knowledge. He tells stories.


It combines scientific rigor, pedagogy and emotion to immerse you in a fascinating… and threatened world.


You will learn, but more importantly, you will understand. And you will know what to do.




Coral reef in perfect health - Photograph © Martin Colognoli
Coral reef in perfect health - Photograph © Martin Colognoli



Join the Coral Guardian Community


Why Join the Coral Guardian Community?


By joining the masterclass, you are joining a committed community.


Divers, biologists, artists, teachers, united by a common desire: to protect the reefs.


Exchanges, feedback, shared resources to grow together.


How to register for the masterclass?


Prices, duration, access conditions


Price : €69

  • Total duration : approximately 1 hour 30 minutes of video

  • Access : immediate and for 1 year

  • Support : online, accessible on mobile, tablet, computer



Special offers: students, young people, job seekers


We offer a solidarity rate for:

  • The students

  • Under 25s

  • Job seekers

👉 Write to us to benefit from it: [contact form]



Frequently Asked Questions


Who is the training for?


To all those who practice diving, recreationally or professionally, and wish to deepen their connection with the ocean.


Do I have to be a certified diver?


No. The training is open to everyone. Diving experience makes it easier to apply the advice, but it is not required.


Will I receive a certificate?


Yes, a personalized certificate of participation will be issued to you at the end of the masterclass.


How does the support work?


You'll have direct access to our platform and a dedicated email address for your questions. Live chat sessions with Martin are organized regularly.


Conclusion: every diver can become a protector of life


Diving isn't just about seeing. It's about feeling, understanding, and sharing. By joining this masterclass, you don't just become more competent. You become useful. For the ocean. For the corals. For future generations.





 
 
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