Deep Sea Camera System Uncovers Living Coral Reef Off Benin
Scientists have discovered a living coral reef off the coast of Benin using sonar and deep-sea camera technology. The reef, previously thought to be dead, is a mesophotic ecosystem hosting diverse marine life.
Why it matters
This discovery provides new insights into deep-sea biodiversity and the resilience of coral ecosystems in limited-light environments.
“It was not an easy field campaign,” said Gérard Zinzindohoué of the Institut de Recherches Halieutiques et Océanologiques du Bénin, lead author of the article in Frontiers in Marine Science . “It was a mix of long days at sea, technical problems, and a lot of uncertainty. But then we saw structures on the sonar that looked like they could be reef signatures, which gave us hope that we were close.
“Next, we surveyed the structures with an underwater drone and the Deep Sea Camera System. That was a big moment for us, because suddenly we could actually see the seafloor. I still remember seeing those first images. It was a mix of excitement and disbelief, because after all this time thinking about this reef, suddenly there was something real in front of us.”
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