Why Can't You Find Canned Sardines?

Canned sardines are facing widespread shortages across supermarkets due to a viral social media diet trend that has dramatically increased demand for the product. Supply cannot keep up because of environmental factors—warming ocean waters have disrupted sardine populations and reduced catches, particularly in Morocco, which supplies much of the North American and European market. Additionally, strict fishing regulations designed to protect marine ecosystems are limiting how much can be caught to meet the surge in consumer demand.