There are only high rank toppings such as rich tasting sea urchin (Uni), salmon roe (Ikura) and herring roe (Kazunoko). All different from other sushi toppings when it comes to a texture and flavor. A lot of them have become widespread ever since the technique of gunkan style sushi was established after the war. *Japanese terms will be italicized on sushi ingredients page.
Akauni－Red sea urchin
Bafununi－Short-spined sea uruchin (Green sea urchin)
Ezobafununi－Short-spined sea urchin
Hamo－Daggertooth pike conger
Kitamurasakiuni－Northern sea urchin
Komochikonbu－Herring spawn on kelp
Murasakiuni－Purple sea urchin
Noresore－Young Japanese conger
Shirohige－White spin sea urchin
Tobiko－flying fish roe
We hope this information will be helpful.
Revision date: March 27, 2018