70% is the potential decline in northern anchovy catch during an El Niño year, according to the estimate cited by Sonapesca.
Badal (2026)
Badal, I. (2026, 20 de junio). La amenaza productiva del “Súper Niño”. La Tercera. https://www.latercera.com/pulso/noticia/la-amenaza-productiva-del-super-nino/