El Niño is back and ocean temperatures are already near record highs – that can spell disaster for fish and corals

As ocean temperatures rise during El Niño, fish can find themselves in hot water. Geoff Trodd/Unsplash – By Dillon Amaya, Climate Research Scientist, National Oceanic and Atmospheric Administration Published: 2026 Jun 12 – It’s official: El Niño is back. By late fall 2026, forecast …