Sensors pick up the waves to draw a zigzagging diagram on a screen to indicate the fish ... more sanitary and efficient. A knife cuts into a fatty cut of tuna at a market in Tokyo Thursday, April 10, ...

Tuna is highly prized by sushi chefs, but quality can vary and the process of checking the fish by hand with saws at the market can be dangerous.View on euronews ...

There's creamy tuna salad and then there's seared ahi tuna, but thick-cut tuna steaks are a more decadent way to prepare and cook the popular fish. Tuna steaks are typically on the thicker side so ...

A conveyor belt transports a whole frozen tuna fish, about a meter (3 feet) in size, into a machine that beams ultrasound waves. Sensors pick up the waves to draw a zigzagging diagram on a screen ...