Is Peru a malnourished castaway floating on an abundant sea of fish?

The abnormal warming of the sea off the Peruvian coast of more than 3°C from March 2023 until the beginning of winter has affected the normal distribution of many marine resources. This has favored the presence of some and made it difficult to fish for others, such as anchovy of 12 cm or more, which is the minimum legal size allowed, which tends to disperse and deepen due to these sudden changes in temperature. This already happened in November 2019, when in the middle of the La Niña event, warm Kelvin waves arrived that increased the temperature in Paita by about 6°C and in Chicama by 5°C, reducing fishing and increasing the percentage of specimens in an extreme way. below 12 cm, which made it necessary to close the fishing season before the quota was completed. It is important to emphasize that the good management of the anchovy resource in Peru, recognized and praised by various entities in the world, has allowed this species to continue being the most extracted on the planet ...