The Maldives is home to the world’s largest population of reef manta rays. However recently, a significant population of their larger cousins; the oceanic manta rays have been uncovered. Worryingly, this area is in close proximity to one of the world’s main oceanic manta fisheries in neighbouring Sri Lanka. Tens of thousands are killed every year for their gill plates. 800 manta rays have been identified, however, there are still many unknowns and continued observations are needed to confirm the timing and drivers of their movements. Yachts for Science is looking for vessels in the Maldives to take Simon and his team April – May 2023 for 10 days.