The raw tuna which appears in the market is 80% natural.
Tuna is different from farmed fish. Farmed fish have a specific characteristic due to water quality, feed, bait and raising conditions. On the other hand natural tuna fishing grounds exist all around the world. There are many areas in which tuna is caught and many transport methods. Their quality depends on the equipment and technique of the crew on board and the vessel in use.
Yamabishi Fisheries has considerable experience in stocking tuna swimming around the world.
Knowledge combined with experience of the fishing boat industry and network
The origin of Yamabishi Fisheries was Murayama Fisheries which began the Fishing by boats industry in the Edo period. Tuna vessels date back to the Meiji period（1868-1912).
We at Yamabishi can understand the circumstances of the worlds’ oceans instantly on account of our knowledge and intuition, based on our long history of associated work with producers.
We can ascertain excellent producers from considerable tuna fishing areas and collaborate with them. Then we try to meet the specific requirements of the customers.
At Yamabishi Fisheries tuna is divided into 5 classes based on freshness. In addition we divide tuna into 6 classes based on fat condition, a total of 30 classes.
This is provided by 35 years of experience.
Our eyes ascertain the tuna grade instantly, by looking at a cross section of the cut tail.
Finely selected tuna is used for sashimi, sushi, tartar and cooked fish, each of the tuna parts is used accordingly.