reared from fry to tuna by Kinki University in Osaka Prefecture, is an exceptional hit product that emerged from academic research. The university began to study artificial breeding of tuna in 1970 and succeeded in developing fry into fully grown tuna in 2002 for the first time in the world.

Kindai tuna, the result of trial and error over a period of more than 30 years, is now a brand-name fish and has impressed gourmets.

Tokihiko Okada, head of the university's Fish Nursery Center, said raising fry was considered impossible in the past, adding that it was even more difficult to induce tuna to spawn.

Compared with natural tuna whose meat is firm because of swimming in the sea, Okada said cultivated tuna are less active and therefore fattier.

Upon shipping, each tuna is given a diploma from the university, he said.