![a photo of Northern sea urchin (Kitamurasaki uni)](https://sushiuniversity.jp/basicknowledge/wp-content/uploads/sites/18/2023/05/Northern-sea-urchin-Kitamurasaki-uni.jpg)
The appearance of Northern sea urchin (Kitamurasaki uni)
Common name: Northern sea urchin
Japanese name: Kitamurasaki uni (北紫海胆、北紫雲丹、北紫海栗)
Scientific name: Strongylocentrotus nudus (A.Agassiz, 1864)
Nigiri sushi detail: Northern sea urchin (Kitamurasaki uni) Nigiri sushi
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