Changing Seas S09 E04 Majestic Mantas

"Submerge. Discover. Engage."

Mexico’s remote Revillagigedo Archipelago is a hotspot for oceanic mantas. Scientists use photo ID techniques and acoustic tags to study these mysterious fish. They are also researching if the filter-feeding rays are impacted negatively by microplastics – tiny pieces of toxic trash that float in the ocean.