![]() ![]() François Atoll during photo-identification surveys. Only three individuals from D’Arros Island were resighted at a second aggregation site located more than 200 km away at St. alfredi were photographed within six of the seven Island Groups of Seychelles, with 64% of individuals being resighted at least once between July 2006 and December 2019 over timeframes of 1–3,462 days (9.5 years median = 1,018 days). ![]() To understand their patterns of movement in Seychelles, we used three techniques-archival pop-up satellite tags, acoustic tags, and photo-identification-and focussed on the aggregation at D’Arros Island and St. The decline in numbers of reef manta rays ( Mobula alfredi) throughout their range has highlighted the need for improved information on their spatial ecology in order to design effective conservation strategies for vulnerable populations.
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