The Grouper Mystery

In this 52-minute documentary, Laurent Ballesta and his team investigate the extraordinary gathering of groupers and sharks, occurring annually during the full moon. The film provides insights into fish behavior and the forces of nature that drive these creatures to spawn simultaneously. Through scientific research and diving expeditions, viewers witness the underwater spectacle that takes place in one of the most biodiverse marine environments.

The documentary highlights the scientific efforts behind understanding this natural phenomenon. With the aid of researchers from the CNRS of Moorea, Ballesta conducts experiments and dives deep into the ocean, including a record dive lasting 24 hours at depths exceeding 20 meters. This film combines thrilling underwater cinematography with educational content, making it an engaging watch for those fascinated by marine life and ecosystem dynamics.