DBE

MAYOTTE, THE LAGOON ISLAND

DEEP BLUE EXPLORATION is based in Mayotte. Hot spot of biodiversity, this magnificent island has one of the largest and most beautiful lagoon in the world which remains largely unexplored today!

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Mayotte is a small island with a very large lagoon in the Comoros archipelago. Its 1,500 km2 lagoon is delimited by a barrier reef 195 km long. These attributes give it one of the largest lagoons surrounding a high island. The coral reefs of Mayotte, but also those around the world, have been the subject of studies, research and monitoring for nearly 60 years. Even today, gray areas persist and prevent the scientific community from having a complete and global vision of the functioning of these ecosystems.


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PIONEERING EXPLORATIONS OF THE MAHORESE TWILIGHT

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DEEP BLUE EXPLORATION is already:

310

Dives in the twilight zone

150

Hours of time background

612

Decompression hours


Since the first deep dives in 2017, DBE has been able to make original and unprecedented biological discoveries.

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ACQUISITION OF NEW KNOWLEDGE

To date, Deep Blue Exploration has enabled the census of more than 250 species living in the mesophotic zone!

This is still only the beginning given the rich biodiversity of this environment. Among all the species recorded, some are new to Mayotte, others never recorded in the Indian Ocean and a few seem to be still unknown to science.

The number and importance of discoveries made by divers and scientists is not insignificant. They highlight, on the one hand, the lack of knowledge of the mesophotic environment, but also the gaps in what we thought we knew. DBE contributes to the redefinition of the geographical areas of many taxa but also to a better knowledge of their way of life and their habitat. Some species have been photographed in the mesophotic zone far from their ordinary near-surface habitat, as described in the scientific literature.

Extension of the depth gradient of several species.

Explorations carried out by DBE have established several depth records and / or new records for the southwestern Indian Ocean area for a wide range of reef species belonging to different groups. Some specimens of species that are however well known to science have been recorded far from their ordinary habitat.

These many discoveries made during deep dives between 70 and 150 meters below the surface highlight our lack of knowledge regarding the ecology of ECMs.

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Geographical extension of the distribution areas of many species.

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Picto

6

invertebrate species referenced as new to the Indian Ocean!

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+ de 35

new species for the Mayotte region!



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2

new species for science: a shrimp and a fish!


GOALS

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Man has always sought to explore his environment. This thirst for discovery is fueled by vital needs but also by the desire to understand and discover one's own universe. It is this last motivation which is at the origin of the Deep Blue Expedition project.

Exploration is of little value if it is not associated with science. This is why it is deeply rooted in the philosophy of Deep Blue Exploration. Each deep dive, each immersion is a new opportunity to contribute to the expansion of knowledge and understanding of the environment in question.

Ocean Art is the Awareness and Artistic section of DBE. Whether exposed to daylight or hidden in the semi-darkness of the mesophotic zone, Nature is inherently beautiful! One of the objectives of the association is to capture and restore the splendor of the depths as well as possible in order to educate the general public about the cause of the reefs.