Food · Fermented foods

Zuwai-gani (Snow Crab)

ずわいがに (Zuwai-gani)

Also known as: Zuwai-gani, Snow crab, Chionoecetes opilio, 頭矮蟹, Matsuba-gani (Tottori), Echizen-gani (Fukui), Tsuwabuki-gani (Hyogo)

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At a glance

CategoryFood
Japanese labeling nameずわいがに
Common Japanese notationsずわいがに, 頭矮蟹, ズワイガニ, 松葉ガニ, 越前ガニ, 間人ガニ
OriginSnow crab (Chionoecetes opilio); Japan Sea coastal harvest, winter season (November-March); principal landings Tottori (Matsuba-gani), Fukui (Echizen-gani — Imperial designated), Hyogo (Tsuwabuki-gani), Kyoto (Tango Taiza-gani — premium); each region has GI-protected branding
Typical functionsUltra-premium winter foodservice — kani-suki, kani-nabe, sashimi, Premium gift retail — established gift category, Pre-cooked retail (boiled crab gift packaging)
Regulatory status in JapanStandard food labeling. Multiple GI brands established. **Crustacean is JAS-mandatory allergen.**

Zuwai-gani (ずわいがに / Snow Crab) — Chionoecetes opilio — is one of Japan's most prestigious winter crustaceans with multiple regional GI brands: Matsuba-gani (Tottori), Echizen-gani (Fukui — Imperial designated), Tsuwabuki-gani (Hyogo), Tango Taiza-gani (Kyoto). OEM positioning is ultra-premium winter gift retail and foodservice. **Crustacean is JAS-mandatory allergen.**

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Classification

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

Common OEM product categories

Finished-product categories where Japanese OEM manufacturers commonly formulate with this ingredient.

  • Live and fresh zuwai-gani (premium foodservice)
  • Pre-cooked boiled crab gift retail
  • Echizen-gani / Matsuba-gani / Tsuwabuki-gani GI premium gift retail

Ingredient profile

Chionoecetes opilio snow crab. Multiple regional GI brands.

OEM applications

Ultra-premium foodservice (kani-suki, kani-nabe, sashimi).

Premium GI gift retail (Echizen-gani, Matsuba-gani, etc.).

Pre-cooked boiled gift retail.

For OEM: ultra-premium gift retail, foodservice cold-chain supply.

Regulatory classification in Japan

Standard food labeling. Multiple GI brands. **Crustacean is JAS-mandatory allergen.**

Regulatory classification in other markets

EUEstablished global snow crab trade. Crustacean allergen mandatory.
USAEstablished US snow crab industry. Crustacean allergen mandatory.
ChinaPremium specialty positioning.
KoreaKorea has substantial daege tradition.

Market reference formulations

Example finished products will be added after verification of regional GI brand origin.

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.

Alternative ingredients

Related ingredients commonly evaluated as substitutes.

Quick answers

What is Zuwai-gani (Snow Crab)?
Zuwai-gani (ずわいがに / Snow Crab) — Chionoecetes opilio — is one of Japan's most prestigious winter crustaceans with multiple regional GI brands: Matsuba-gani (Tottori), Echizen-gani (Fukui — Imperial designated), Tsuwabuki-gani (Hyogo), Tango Taiza-gani (Kyoto). OEM positioning is ultra-premium winter gift retail and foodservice. **Crustacean is JAS-mandatory allergen.**
What is the regulatory status of Zuwai-gani (Snow Crab) in Japan?
Standard food labeling. Multiple GI brands established. **Crustacean is JAS-mandatory allergen.**
What products typically use Zuwai-gani (Snow Crab)?
Live and fresh zuwai-gani (premium foodservice) / Pre-cooked boiled crab gift retail / Echizen-gani / Matsuba-gani / Tsuwabuki-gani GI premium gift retail
Where does Zuwai-gani (Snow Crab) come from?
Snow crab (Chionoecetes opilio); Japan Sea coastal harvest, winter season (November-March); principal landings Tottori (Matsuba-gani), Fukui (Echizen-gani — Imperial designated), Hyogo (Tsuwabuki-gani), Kyoto (Tango Taiza-gani — premium); each region has GI-protected branding
What is the INCI / JSCI labeling name for Zuwai-gani (Snow Crab)?
JSCI: ずわいがに

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References

  1. 文部科学省 (Ministry of Education, Culture, Sports, Science and Technology) Standard Tables of Food Composition — ずわいがに 各形態

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

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