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Mentaiko

Mentaiko is a Japanese seafood ingredient made from pollock roe, usually salted and marinated with red chili pepper and seasonings.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Mentaiko is a Japanese seafood ingredient made from pollock roe that has been salted and marinated with red chili pepper and seasonings. It is commonly associated with Fukuoka and is eaten as a rice accompaniment, sushi ingredient, or pasta flavouring. The plain salted version is usually called tarako, while the spicy marinated form is referred to as mentaiko or karashi mentaiko.

Definition

Mentaiko is roe from Alaska pollock or walleye pollock that has been cured with salt and seasoned, typically with red chili pepper. In many English-language sources, the spicier version is called karashi mentaiko.

Relationship to tarako

Tarako is the plain salted roe, while mentaiko usually refers to the chili-marinated form. Some regional usage differs, especially in western Japan, where the terms may be used more loosely.

Regional significance

Mentaiko is widely identified with Fukuoka, especially Hakata, and is promoted as a local speciality. It is also sold as a souvenir food in Kyushu and nearby regions.

Culinary uses

Mentaiko is eaten on rice, used as an onigiri filling, and mixed into pasta sauces and other dishes. It may be served raw or cooked depending on the preparation.

Key facts

  • Mentaiko refers to pollock roe that has been salted and marinated with chili and seasonings.
  • It is closely related to tarako, which is the plain salted version of pollock roe.
  • The ingredient is strongly associated with Fukuoka and Hakata in Kyushu, where it is considered a regional specialty.
  • Mentaiko is eaten both raw and cooked, and is used in rice dishes, onigiri, and pasta.
  • The term is also linked etymologically to the Korean name for Alaska pollock, *myeongtae* (명태).
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Canadian context

Mentaiko appears on the menus of Japanese restaurants in Canada and in imported Asian grocery products, especially as a pasta flavouring or rice topping.

Frequently asked questions

What is mentaiko?
Mentaiko is pollock roe cured with salt and seasoned, usually with red chili pepper and other flavourings.
Is mentaiko the same as tarako?
Not exactly. Tarako is plain salted roe, while mentaiko is usually the seasoned, chili-marinated version.
Where is mentaiko especially associated with?
Mentaiko is especially associated with Fukuoka and Hakata in Kyushu, where it is considered a regional speciality.
How is mentaiko commonly eaten?
It is commonly eaten with rice, used as an onigiri filling, or added to pasta and other dishes.
What fish is used to make mentaiko?
It is generally made from Alaska pollock or walleye pollock roe.
Does the term have Korean roots?
Yes. Several sources link the term to the Korean name for Alaska pollock, *myeongtae* (명태).

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Pollock_roe
    Supports: Defines mentaiko as chili-laced versions of tarako and identifies it as pollock roe used in Japanese, Korean, and Russian cuisines.
  2. TKG Japanese-English Learner's Dictionaryhttps://tkgje.jp/entries/12500/12729_mentaiko.html
    Supports: Defines mentaiko as pollock or cod roe marinated in chili pepper and other seasonings, and notes its Fukuoka association.
  3. Just One Cookbookhttps://www.justonecookbook.com/mentaiko/
    Supports: Describes mentaiko as salted pollock roe marinated in red chili peppers and other seasonings, and notes its use with rice and pasta.
  4. Food in Japanhttps://www.foodinjapan.org/kyushu/fukuoka-en/mentaiko-tarako/
    Supports: Explains the tarako/mentaiko distinction and the link to Fukuoka and the Korean term myeongtae.
  5. Kanefukuhttps://www.kanefuku.com/what-is-mentaiko/
    Supports: States that mentaiko is a traditional Japanese specialty food made from chili-infused Alaska pollack roe.
  6. Sushi Universityhttps://www.sushiuniversity.jp/sushiblog/what-are-the-difference-between-tarako-and-mentaiko/
    Supports: Describes mentaiko as spicy marinated pollock roe and notes the regional naming distinction.