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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| Category | Food |
|---|---|
| Japanese labeling name | おいかわ |
| Common Japanese notations | おいかわ, 追河, オイカワ, ヤマベ |
| Origin | Pale 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 functions | Sweet-soy nitsuke (simmered-fish home cuisine), Tsukudani (heritage long-shelf preserve), Heritage rural cuisine signature, Tempura specialty |
| Regulatory status in Japan | Standard 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
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Product applications
Functions
Regulatory tags
Origin
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. |
|---|---|
| USA | Fish allergen disclosure. Niche specialty. |
| China | Established as 馬口魚. |
| Korea | Established as 피라미. |
Example products
Example finished products will be added after verification.
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Sharing similar functions
Ingredients that overlap on functional benefit tags.
From the same origin
Other ingredients that share an origin classification.
References
- 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.