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
USS Skipjack (SS-184) until again undergoing overhaul at Mare Island in July and August 1941. "Skipjack" returned on 16 August and commenced patrols off Midway Island, Wake Island, and the Gilbert Islands and Marshall Islands. In October 1941, SubDiv 15 (then commanded by "Sunshine" Murray) was transferred to ComSubAsiatic Fleet, along with the tender "Holland", and Joe Connolly's SubDiv 16, as SubRon 2. When the Japanese attacked Pearl Harbor on 7 December, "Skipjack" was in the Philippines undergoing repairs at the Cavite Navy Yard. On 9 December, "Skipjack" (under the command of Charles L. Freeman) departed Manila on her first war patrol, with