Objective 1000: Unprecedented Dive into the Abyss of Reunion Island

Last January, a multidisciplinary team set sail off the coast of Reunion Island to conduct a species collection campaign at a depth of 1000 meters. Patrick Durville, scientific leader, shares with us this unprecedented adventure, discovering an ecosystem still largely unexplored. A tumultuous crossing The journey is long, and we are 20 km from the […]

Last January, a multidisciplinary team set sail off the coast of Reunion Island to conduct a species collection campaign at a depth of 1000 meters. Patrick Durville, scientific leader, shares with us this unprecedented adventure, discovering an ecosystem still largely unexplored.

Reunion (6)
The team deploys a 1200m longline. It takes almost half an hour to reach the bottom.

A tumultuous crossing

The journey is long, and we are 20 km from the coast. The wind intensifies and the sea becomes rough, making the day difficult. We finally stop at the 1000-meter isobath, although it is difficult to confirm, as the depth sounder has already disconnected. The weather is splendid, offering a breathtaking view of Reunion, the Mafate Cirque, and the Piton des Neiges wrapped in mist. The first rays of the sun cast golden shadows, making the landscape beautiful, almost like a painting.

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A beautiful specimen of spiny dogfish, Centroscymnus owstonii. It’s a new species for Reunion.

However, we must quickly get to work to immerse all the equipment before the trade winds blow too strongly.


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