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) a "down the throat" spread of three torpedoes that sank the "Kanan Maru" (). Two days later, the submarine intercepted a three-ship convoy escorted by a destroyer and she fired two torpedoes that severely damaged the merchant ship, "Taiyu Maru" (). Then she let go with four more that quickly sank the cargo ship, "Bujun Maru" (). On 17 May, "Skipjack" sank the passenger-cargo ship "Tazan Maru" () off Indochina before heading back to Fremantle. Following participation in performance tests for the Mark 14 torpedo, "Skipjack" sailed for her fourth war patrol on 18 July 1942, conducted along the northwest