05 Aug 2025
Ocean oxygen decline threatens marine ecosystems and fish populations
Photo by Yannis Papanastasopoulos Ocean oxygen levels are declining at an unprecedented rate, with new research revealing that ancient episodes of deoxygenation caused widespread collapse of deep-sea fish populations, offering a stark warning for marine ecosystems facing accelerating oxygen loss today. A groundbreaking study published in Communications Earth & Environment demonstrates how mesopelagic fish […]