Think of the last time you ate tuna. Perhaps it was from a can – Chicken of the Sea? – and swathed in globs of mayonnaise. Maybe you dabbed a bit on a Carr’s cracker, or sandwiched it between two slices of rye. Or, instead, you a sucked down a small, smooth slice of sashimi, or ate it in a roll wrapped with rice and nori. Now, think of an actual tuna fish. Continue reading →