Watch Changing Seas Season 9 Episode 4 Online
- COUNTRIES: United States of America
- Subtitles: English
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.