Food · Fermented foods

Unagi (Japanese Eel)

うなぎ (Unagi)

Also known as: Unagi, Japanese eel, Anguilla japonica, 鰻, Yoshoku unagi (farmed), Hamayaki unagi

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At a glance

CategoryFood
Japanese labeling nameうなぎ
Common Japanese notationsうなぎ, 鰻, ウナギ, 蒲焼, 白焼き
OriginJapanese eel (Anguilla japonica); essentially all commercial supply is farmed (yoshoku) due to wild stock decline; principal modern domestic farming regions Kagoshima (volume leader), Aichi (Mikawa-Isshiki), Shizuoka (Hamana-ko), Miyazaki; significant Chinese and Taiwanese imports for cost-positioned applications
Typical functionsKabayaki unagi (soy-glazed grilled eel) — defining Japanese cuisine application, Una-don and una-jū — household and foodservice signature, Doyō-no-Ushi-no-Hi (mid-summer eel day) — major seasonal retail moment, Shirayaki (white-grilled, no sauce) traditional preparation, Premium gift retail (Aichi, Shizuoka, Kagoshima domestic origin)
Regulatory status in JapanStandard food labeling. Domestic vs Chinese/Taiwanese-imported origin disclosure essential — pricing differential is substantial. **Wild Japanese eel (Anguilla japonica) is IUCN Endangered**; CITES Appendix II listing under consideration. Most commercial unagi is farmed; juvenile glass-eel supply remains a sustainability concern. Not a designated allergen.

Unagi (うなぎ / 鰻) — Japanese eel (Anguilla japonica) — is one of Japan's most beloved cuisine staples with substantial OEM industry. The category is essentially all farmed (yoshoku unagi) due to severe wild stock decline. Kagoshima leads domestic farming; Aichi (Mikawa-Isshiki), Shizuoka (Hamana-ko), Miyazaki provide premium specialty. Significant Chinese and Taiwanese imports supply cost-positioned mass-market. The OEM landscape: kabayaki unagi (soy-glazed grilled — defining application), una-don/una-jū household and foodservice signature, Doyō-no-Ushi-no-Hi (mid-summer 'eel day') seasonal retail moment driving substantial annual demand, and premium gift retail (domestic origin). **Sustainability note**: Anguilla japonica is IUCN Endangered, with juvenile glass-eel supply remaining a key concern.

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.

  • Pre-cooked kabayaki unagi retail (vacuum-pack — major retail format)
  • Frozen kabayaki unagi
  • Una-don/una-jū ready-meal retail
  • Premium gift retail (Aichi Mikawa-Isshiki, Shizuoka Hamana-ko, Kagoshima domestic)

What it is

Anguilla japonica Japanese eel. Essentially all farmed.

Production: Kagoshima (volume leader), Aichi, Shizuoka, Miyazaki domestic. Chinese/Taiwanese imports.

Typical uses in Japanese products

Kabayaki unagi — defining application.

Una-don / una-jū — household and foodservice.

Doyō-no-Ushi-no-Hi seasonal retail.

Shirayaki traditional.

For OEM: pre-cooked kabayaki retail OEM (volume), una-don/una-jū ready-meal retail, premium domestic-origin gift retail.

Regulatory classification in Japan

Standard food labeling. Domestic vs Chinese/Taiwanese-imported origin disclosure essential.

Sustainability awareness — Anguilla japonica is IUCN Endangered. Some retailers/OEM partners prefer documented-source farmed product.

Not a designated allergen.

Regulatory classification in other markets

EUEU Anguilla anguilla is CITES Appendix II protected. Japanese-origin Anguilla japonica imports possible but with scrutiny.
USAImported as Japanese eel. Sustainability awareness for sourcing.
ChinaChina is major Japanese eel farmer.
KoreaKorea has its own jangeo eel culture.

Example products

Example finished products will be added after verification of origin (domestic Japan / imported Chinese / Taiwanese) and processing format.

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 — うなぎ 養殖

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

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