Canned fish finds the hidden one packs into the same space until there is only one left out, who becomes the next one to hide. Tuna is canned in edible vegetable oils, in brine, in water, or in various sauces. In the US, it is sometimes called "tuna fish". In the United States, only albacore can legally be sold in canned form as "white meat tuna"; in other countries, yellowfin is also acceptable. While in the early 1980s, canned tuna in Australia was most likely Southern bluefin; it was usually yellowfin, skipjack, or tongol (labelled "Northern bluefin"). As tunas are often caught
Kathryn (skipjack) middle, and a flat transom stern. Like all present-day skipjacks she has a stern-mounted push plate to allow operation with a pushboat. She is fore-and-aft-planked, unlike most skipjacks, which are cross-planked. Her flush deck follows the standard skipjack plan, with a main hatch abaft the mast, followed by dredging gear, a smaller hatch, a doghouse over a very low cabin, the steering gear and a set of davits for the pushboat. The cabin is finished with varnished tongue-and-groove paneling, and has a bunk on each side under the deck. Steering gear is hydraulic. The "Kathryn" carries the standard skipjack rig