Maldives Industrial Fisheries Company brine in hermetically sealed can and sterilized to achieve commercial sterility by application of heat. The fish is treated by Blast or brine freezing method. The frozen species are Katsuwonus Pelamis “Skipjack” and Thunnus Albacares “Yellowfin” tuna. Fishmeal, a fertilizer as well as an essential ingredient in poultry, and fish feed, this is by product of the cannery. To reduce amount of waste exhausted from fish products, fish meal is produced from the waste fish from the cannery. Katsuobushi is the Japanese name for a specific type of smoked dried tuna. Although Katsuobushi is a form of dried skipjack, the
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