Dogtooth Tuna in Japan

The fish

Japanese

イソマグロ · isomaguro

Scientific name

Gymnosarda unicolor

Typical size

80–160 cm (31–63 in)

Water

Saltwater

Across the year

The best month at any of the 5 places we have checked. Each place has its own window, and the season elsewhere in Japan may differ.

Where we have checked it

These are examples, not a complete list. Dogtooth Tuna is caught far more widely in Japan than the 5 waters below. We list a place only once we have worked out which rules apply there, so the absence of a water means we have not checked it — not that the fish is missing.

• Hachijo-jimaTokyo · SaltwaterMay, June, July and August are the prime months.
• YakushimaKagoshima · SaltwaterMay, June, July and August are the prime months.
• Tokara IslandsKagoshima · SaltwaterMay, June, July, August and September are the prime months.
• Okinawa main islandOkinawa · SaltwaterMay, June, July, August and September are the prime months.
• Ishigaki & the YaeyamasOkinawa · SaltwaterApril, May, June, July, August, September and October are the prime months.