The most responsible Bonito del Norte, the bonito certified MSC as sustainable fishing... At Conservas Emperatriz, we use good management of raw materials to maintain jobs, ensure bonito populations for the future, and help protect the marine environment. The fishing methods used and the selection criteria for the pieces ensure that the raw material is always at its optimal point of texture and flavor, which translates into a much more pleasant preserve in the mouth. Ingredients: MSC Bonito del Norte, extra virgin olive oil*, and salt.