Food · Fermented foods
Gazami (Blue Swimmer Crab)
がざみ (Gazami)
Also known as: Gazami, Blue swimmer crab, Portunus trituberculatus, 蝤蛑, Watari-gani
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| Category | Food |
|---|---|
| Japanese labeling name | がざみ |
| Common Japanese notations | がざみ, ガザミ, ワタリガニ, 蝤蛑 |
| Origin | Blue swimmer crab (Portunus trituberculatus); harvested in Japanese coastal waters and imported from China and Korea; principal Japanese landing regions Aichi (Mikawa Bay), Saga, Kumamoto |
| Typical functions | Premium foodservice — boiled crab, miso-jiru (crab miso soup), tomato pasta, Mikawa Bay regional gift retail |
| Regulatory status in Japan | Standard food labeling. **Crustacean is JAS-mandatory allergen.** |
Gazami (がざみ / ワタリガニ) — blue swimmer crab (Portunus trituberculatus) — is a premium Japanese crab harvested in coastal waters (Mikawa Bay heritage area). Premium foodservice and gift retail. **Crustacean is JAS-mandatory allergen.**
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Classification
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Product applications
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Regulatory tags
Origin
Common OEM product categories
Finished-product categories where Japanese OEM manufacturers commonly formulate with this ingredient.
- Fresh whole gazami (foodservice)
- Frozen gazami
Ingredient profile
Portunus trituberculatus blue swimmer crab.
OEM applications
Boiled crab, miso-jiru, pasta.
For OEM: foodservice supply.
Regulatory classification in Japan
Standard food labeling. **Crustacean is JAS-mandatory allergen.**
Regulatory classification in other markets
| EU | Established global crab trade. Crustacean allergen mandatory. |
|---|---|
| USA | Established US blue crab market (different species). Crustacean allergen mandatory. |
| China | Major Chinese blue swimmer crab industry. |
| Korea | Korea has substantial kkotge (꽃게) blue swimmer crab tradition. |
Market reference formulations
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Quick answers
- What is Gazami (Blue Swimmer Crab)?
- Gazami (がざみ / ワタリガニ) — blue swimmer crab (Portunus trituberculatus) — is a premium Japanese crab harvested in coastal waters (Mikawa Bay heritage area). Premium foodservice and gift retail. **Crustacean is JAS-mandatory allergen.**
- What is the regulatory status of Gazami (Blue Swimmer Crab) in Japan?
- Standard food labeling. **Crustacean is JAS-mandatory allergen.**
- What products typically use Gazami (Blue Swimmer Crab)?
- Fresh whole gazami (foodservice) / Frozen gazami
- Where does Gazami (Blue Swimmer Crab) come from?
- Blue swimmer crab (Portunus trituberculatus); harvested in Japanese coastal waters and imported from China and Korea; principal Japanese landing regions Aichi (Mikawa Bay), Saga, Kumamoto
- What is the INCI / JSCI labeling name for Gazami (Blue Swimmer Crab)?
- JSCI: がざみ
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References
- 文部科学省 (Ministry of Education, Culture, Sports, Science and Technology) Standard Tables of Food Composition — がざみ
Last updated: 2026-04-28. Ingredient entries are reviewed at least annually against current regulatory listings.