Food · Fermented foods

Oikawa (Pale Chub)

おいかわ (Oikawa)

Also known as: Oikawa, Pale chub, Zacco platypus, 追河, オイカワ, Yamabe (regional)

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At a glance

CategoryFood
Japanese labeling nameおいかわ
Common Japanese notationsおいかわ, 追河, オイカワ, ヤマベ
OriginPale chub (Zacco platypus / Opsariichthys platypus); freshwater river-fish ubiquitous across western and central Japan rivers; **historically rural and regional protein source, especially in Lake Biwa, Kyoto, Kanagawa, Niigata** (where it is called 'yamabe' regionally — distinct from yamabe = young salmon); **ayu-substitute in inland-river cuisine where ayu is unavailable**; modern commercial supply limited — primarily heritage / specialty foodservice
Typical functionsSweet-soy nitsuke (simmered-fish home cuisine), Tsukudani (heritage long-shelf preserve), Heritage rural cuisine signature, Tempura specialty
Regulatory status in JapanStandard food labeling. **Origin disclosure.** **Fish JAS-recommended-disclosure allergen consideration.** River-fishery rights compliance required.

Oikawa (おいかわ / 追河) is the pale chub (Zacco platypus) — freshwater river-fish ubiquitous in western/central Japan rivers. Historically rural and regional protein, ayu-substitute in inland river cuisine. Heritage / specialty modern supply.

Classification

Tags below link to other ingredients sharing the same attribute, so you can pivot from one ingredient to its peers.

Used in (typical product categories)

Finished-product categories that commonly include this ingredient in Japanese-market formulations.

  • Heritage oikawa B2B (regional foodservice supply)
  • Tsukudani retail

What it is

Zacco platypus / Opsariichthys platypus pale chub freshwater fish.

Typical uses in Japanese products

Sweet-soy nitsuke home cuisine.

Tsukudani heritage preserve.

Heritage rural cuisine signature.

Tempura specialty.

For OEM: regional foodservice B2B, heritage tsukudani retail.

Regulatory classification in Japan

Standard food labeling. **Fish JAS-recommended-disclosure allergen consideration.** River-fishery rights.

Regulatory classification in other markets

EU**Fish EU-mandatory allergen.** Niche specialty.
USAFish allergen disclosure. Niche specialty.
ChinaEstablished as 馬口魚.
KoreaEstablished as 피라미.

Example products

Example finished products will be added after verification.

All brand names and product names referenced anywhere on this site are the property of their respective owners. Example entries are provided for informational purposes only and do not imply endorsement.

Related ingredients

References

  1. MEXT Standard Tables of Food Composition — おいかわ

Last updated: 2026-04-28. Ingredient entries are reviewed at least annually against current regulatory listings.

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