Canned fish canned tuna is used for sandwiches, 22 percent for salads, and 15 percent for casseroles and dried, packaged meal mixes. Other fish that is canned includes cod, mackerel, herring, and pilchard (a type of sardine). Canned fish Canned fish are fish which have been processed, sealed in an airtight container such as a sealed tin can, and subjected to heat. Canning is a method of preserving food, and provides a typical shelf life ranging from one to five years. Fish have low acidity, levels at which microbes can flourish. From a public safety point of view, foods with low acidity
Skipjack (boat) oyster harvest has since declined steadily, especially at the end of the 20th century. The size of the fleet has likewise declined. New skipjacks were built as late as 1993, but a change in the law in 1965 allowed the use of motor power two days of the week. As a result, few of the boats are operated under sail in commercial use; instead, a pushboat is used to move the skipjack, and little dredging is done except on the days that power is allowed. At one time, the number of skipjacks produced is estimated at approximately 2,000; today, they