Marine Conservation Society Seychelles (MCSS)

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Seychelles
Beau Vallon
Marine Conservation Society Seychelles (MCSS)

Environmental NGO dedicated to the conservation of marine and coastal ecosystems in Seychelles

The Marine Conservation Society, Seychelles is a non-governmental organisation made up of local scientists, ecologists and conservationists. The aims of the MCSS are to improve the conservation of marine eco-systems through scientific, management, educational and training programmes. The MCSS is a non-membership organisation which facilitates projects through the organisation of volunteers, raisi

ng of finances and the provision of facilities and equipment. Many of the projects are carried out cooperatively with other organisations or government bodies.

13/05/2026

MCSS is proud to announce that we are now a member of the International Union for Conservation of Nature (IUCN), the world’s largest global environmental network. This milestone marks an important step in strengthening our contribution to marine conservation in Seychelles and the wider Western Indian Ocean region.

As an organisation committed to science-based conservation, education, and community engagement, joining the IUCN provides new opportunities for collaboration, knowledge exchange, and participation in international conservation initiatives. It also strengthens our ability to contribute local expertise and perspectives from Seychelles to global discussions on biodiversity, marine management, and species conservation.

Since 1997, MCSS has worked to protect Seychelles’ marine ecosystems through research, monitoring, restoration, and public awareness programmes. Becoming part of the IUCN network reflects the continued growth of our work and our commitment to advancing effective, evidence-based conservation both locally and internationally.

We look forward to collaborating with fellow IUCN members to help support a more sustainable future for our oceans.

12/05/2026

👏 That’s a wrap on Sharks International 2026! 🦈

🌎 Over the past week, MCSS has had the pleasure of attending one of the world’s largest international conferences dedicated to elasmobranch conservation. We heard from researchers from all around the globe, with presentations and posters covering a broad range of topics such as fisheries management, acoustic and satellite tagging, CITES regulations and enforcement, science communication and much more! It was inspiring to be surrounded by over 800 attendees united by a shared passion for sharks, rays and chimeras.

👥 On the final day, MCSS participated in a workshop focused on the socio-cultural values of sharks and how these perspectives influence conservation policy. It was fascinating to learn about the various spiritual, economic, and cultural significance these animals hold across different areas of the world.

🤲 While the conference showcased the sheer number of people dedicated to protecting these wondrous species, it also served as a stark reminder that elasmobranch populations are in rapid decline globally, highlighting the ongoing need for active conservation efforts.

11/05/2026

At our Cerf Island Restoration site within the Ste Anne Marine National Park, rebar is the most commonly used outplanting method. This is due to the reef being patchy, as well as seasonal sediment cover over the calcium carbonate substrate. Nursery-grown coral colonies are then attached to the rebar using cement 🐠

To reduce the risk of corals being smothered by sediment, larger pieces of rubble are often placed at the base of the rebar, and frames are also used to elevate outplanted colonies.

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UNDP Seychelles

08/05/2026

🌊 At Hilton Northolme (), our Project Assistant, Carla, leads daily snorkeling excursions for the resort guests. Throughout the tours, Carla shares fascinating facts about the local marine life such as the parrotfish, sea turtles and sting rays. Guests also have the unique opportunity to visit our coral nursery, where they can learn firsthand about the vital importance of active restoration efforts. 🪸

🤝 Through these guest activities, we aim to increase environmental awareness and ocean stewardship, one snorkel at a time! 🤿

01/05/2026

This Labour Day, we celebrate the incredible team behind the work of the Marine Conservation Society Seychelles.

From field work and community engagement to research, advocacy, education, and conservation action, every achievement is made possible through the dedication, passion, and resilience of our staff and volunteers.

Thank you to the entire MCSS team for your hard work, commitment, and continued efforts to protect Seychelles’ marine environment for future generations. 🌊💙

Happy Labour Day 2026!

Teamwork OceanConservation

30/04/2026

🐬 We are now coming to the end of the 1st quarter since launching our SeyCCAT BGF9 Cetacean Project! Since starting the National Sightings Alert Network, we have received information about 26 cetacean sightings in Seychelles waters! Most of these sightings have come from local dive centres around Beau Vallon (as evidenced by the red patches in our heat maps), but also from local NGOs and members of the public. We thank everyone who has contributed so far, and look forward to future alerts! 🐋 .seychelles

🏝️ Our land surveys at .foundation and Anse Major are also in full swing, and we’ve now started vessel-based surveys in collaboration with ! 🛥️

The Cetacean Project is a proud collaboration between MCSS and 🇸🇨

28/04/2026

Yesterday the Turtle team hosted a group from the Natural History Museum. They were explained about the importance of the sea turtle nesting beaches in the south and the team got busy collecting rubbish and planting Veloutier.

28/04/2026

The coral restoration team in the St Anne Marine National Park have been regularly monitoring the presence of the 27 released collector urchins (Tripneustes gratilla) released last month. During the most recent monitoring last Friday, 5 were recorded on the Cerf Island Restoration reef. While many of the urchins have dispersed, a small portion have remained grazing on the restored site.

Ongoing monitoring helps us understand how well these urchins are establishing within the reef and their role in grazing algae, which supports coral recovery and overall reef balance.

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UNDP Seychelles

27/04/2026

🐋 We have some exciting news! Our Cetacean Team has just completed a week-long boat expedition, with the aim of documenting whale and dolphin presence around the inner islands. Through dedicated daily surveys, the team successfully recorded and identified seven different species of cetaceans! Their observations included S***m Whales, Pilot Whales, False Killer Whales, Pantropical Spotted Dolphins, Risso’s Dolphins, Spinner Dolphins and Bottlenose Dolphins. This new and exciting data will contribute to our national sightings database, offering key insights into cetacean hotspots around the Seychelles. 🇸🇨

🤝 Our sincere thanks to , and Expedition Leader for making this mission possible! We are thrilled to have been part of the expedition.

The Cetacean Project is a proud collaboration between MCSS and 🐬

21/04/2026

We’re excited to introduce our brand new website🦈 🐋 🐟 🐢

Developed through a unique collaboration with students from ESMT Berlin, this platform represents a powerful blend of conservation and innovation. Together, we’ve created a space that better reflects our work, strengthens our outreach, and makes it easier than ever to connect with our projects and programmes.

As an organisation dedicated to marine conservation through research, education, and community engagement, MCSS is constantly evolving, and this new website is a key step forward in sharing our impact and expanding our reach.

A huge thank you to the talented students of for their creativity, dedication, and fresh perspective. This collaboration highlights the value of international partnerships in driving meaningful change.

Over the coming weeks we will be adding more content, but in the meantime, explore the new site, learn how you can get involved, or make a donation in support of our work.
www.mcss.sc
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17/04/2026

🦈 Yesterday, MCSS presented the findings from our BGF7 project, ‘Habitat preference and spatio-temporal movements of bull sharks in Seychelles’. Over the course of the project, we successfully tagged 18 bull sharks, estimated to be between one and two years old. The acoustic receivers we deployed along the northeast coast of Mahé recorded over 200,000 detections, highlighting the importance of this area for bull shark pups! 🛜

Adresse

Mahe
Beau Vallon

Site Web

http://www.mcss.sc/

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