2 000 fish in a pen

15 - 20 m/s

Sales 42 million

Profit 10 million

270 tonnes of bluefin tuna

sold for 8.05 million USDFarm Tuna

30 metres

10 metres

70 metres

10 metres

Bluefin tuna are farmed in a cylindrical pen

Farm grown is ½ the price of wild

Diagrams not to scale

7 kg feed for every

1 kg of Tuna

30% of feed

replaced with pellets

Farm grown

Wild

Average length 1.2 metres

Infographic on bluefin tuna farms in Japan

Japan consumes 80% of bluefin tuna

36 000 tonnes annually

Average weight

? fish in a pen

Swim speed

2017

70 kg

� USD