In Italy the fishing of tuna fishes has a centuries old tradition. What is surprising is that nowadays the best fishes the so called red tuna are exported to Japan, where they end up in Tsukiji in Tokyo the biggest fish market in the world.
Although very often confused with sushi, carpaccio and sushi are very different. The lemon with which the food is covered provides a change that is similar to the cooking.
With the same procedure you can prepare other fishes or meat.