The article highlights the nutritional benefits of fish and shellfish, emphasizing their richness in vitamins D and B2, calcium, phosphorus, iron, zinc, iodine, magnesium, and potassium, and their omega-3 fatty acids, which are essential for a healthy heart and brain. It notes that Mexican fishermen contribute significantly to the country's supply of these nutrient-dense foods, with an average of 480 thousand tons obtained during Lent, which accounts for about 25% of the annual total. The article also mentions the affordable pricing of these foods in Mexico's second largest market, Zapopan, Jalisco, and promotes their inclusion in the diet for their high protein content.