How Mexican fishers are protecting an endemic oyster — and its ecosystem

How Mexican fishers are protecting an endemic oyster — and its ecosystem

Over the past few decades, the harvesting of the Cortez oyster in western Mexico’s Marismas Nacionales — or the Marshes Biosphere Reserve — in Nayarit state has shifted from suffering from a fishing crisis to seeing a successful effort in its reintroduction and breeding in the ecosystem. This region, known to be one of Mexico’s richest and where the oysters are endemic, contributes to 45% of the country’s total fisheries production. A fishing gr…