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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At a glance

CategoryFood
Japanese labeling nameがざみ
Common Japanese notationsがざみ, ガザミ, ワタリガニ, 蝤蛑
OriginBlue 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 functionsPremium foodservice — boiled crab, miso-jiru (crab miso soup), tomato pasta, Mikawa Bay regional gift retail
Regulatory status in JapanStandard 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.**

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.

  • Fresh whole gazami (foodservice)
  • Frozen gazami

What it is

Portunus trituberculatus blue swimmer crab.

Typical uses in Japanese products

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

EUEstablished global crab trade. Crustacean allergen mandatory.
USAEstablished US blue crab market (different species). Crustacean allergen mandatory.
ChinaMajor Chinese blue swimmer crab industry.
KoreaKorea has substantial kkotge (꽃게) blue swimmer crab tradition.

Example products

Example finished products will be added after verification.

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Related ingredients

References

  1. MEXT Standard Tables of Food Composition — がざみ

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

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