Food · Fermented foods

Hotategai (Japanese Scallop)

ほたてがい (Hotategai)

Also known as: Hotategai, Hotate, Japanese scallop, Yesso scallop, Mizuhopecten yessoensis, 帆立貝, ホタテガイ

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At a glance

CategoryFood
Japanese labeling nameほたてがい 生 / 貝柱 生 / 干し / 水煮 / フライ
Common Japanese notationsほたてがい, 帆立貝, ホタテ, ホタテガイ
OriginYesso scallop (Mizuhopecten yessoensis); **Hokkaido is the dominant production region (>80% domestic), with Aomori as second** — Mutsu Bay, Saroma Lake (Hokkaido east), Funka Bay (south Hokkaido) are historic premium grounds; Japan is a global top-3 scallop producer; **Japanese scallop exports were heavily impacted by 2023 China import-suspension following Fukushima-treated-water release**, prompting US/EU/SE-Asia channel diversification
Typical functionsHotate-no-hashira premium scallop-adductor — sashimi, sushi, butter-yaki, gratin signature, Dried scallop (kanpyo / kai-bashira) — premium Chinese-cuisine ingredient (干贝), Frozen B2B scallop adductor — major Japanese export category, Scallop-fry foodservice category
Regulatory status in JapanStandard food labeling. **Origin disclosure required.** **Mollusk JAS-recommended-disclosure allergen.** Hokkaido brand premium category. **Major export disruption from 2023 China import-suspension.**

Hotategai (ほたてがい / 帆立貝) — Yesso scallop (Mizuhopecten yessoensis) — is Japan's premium scallop, Hokkaido-dominant (>80%). Defining hotate-no-hashira sashimi/sushi/butter-yaki. **Major export channel impacted by 2023 China import-suspension** (Fukushima water), prompting US/EU diversification.

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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/fresh hotategai retail (Hokkaido premium)
  • Frozen scallop-adductor B2B (major export and domestic foodservice)
  • Dried scallop premium Chinese-cuisine B2B
  • Scallop-fry retail

Ingredient profile

Mizuhopecten yessoensis Yesso (Japanese) scallop.

OEM applications

Hotate-no-hashira premium adductor — sashimi, sushi, butter-yaki, gratin.

Dried scallop (kai-bashira) Chinese-cuisine premium.

Frozen B2B scallop adductor (major export).

Scallop-fry foodservice.

For OEM: live Hokkaido premium retail, frozen B2B export, dried Chinese-cuisine.

Regulatory classification in Japan

Standard food labeling. Origin disclosure.

**Mollusk JAS-recommended-disclosure allergen.**

**Major export disruption from 2023 China import-suspension.**

Regulatory classification in other markets

EU**Mollusks EU-mandatory allergen.** Established Japanese-scallop premium market.
USAMollusk allergen disclosure. **Major growth market post-2023 (China-suspension diversification).**
China**2023 import-suspension following Fukushima treated-water release; partial resumption ongoing.**
KoreaStrong premium import market.

Market reference formulations

Example finished products will be added after verification.

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.

Seasonality & supply calendar

Harvest months
May – August (Hokkaido peak); December – March (winter Mutsu Bay)
Peak supply
June – July
Off-season
Limited; cultured supply runs year-round

Source: 水産庁 / 北海道庁 landings statistics. Hokkaido produces the majority of Japan's hotate volume.

Storage requirements

How the receiving OEM facility needs to handle inbound raw material.

Temperature
Chilled 0–2°C for live; frozen −18°C for shucked / processed
Conditions
Live in sea-water cooled tanks; shucked in vacuum or IQF packaging
Shelf life
Live 5 days; frozen IQF 12 months

Supply concentration

Where this ingredient comes from — useful for single-source-risk planning.

Primary regions
Hokkaido (Funka-Bay) and Aomori (Mutsu Bay) — co-leaders in scallop aquaculture, each ~45-50% per 漁業・養殖業生産統計 R4/2022; Hokkaido alone leads wild catch (~99.9% per 海面漁業生産統計)
Import dependence
100% domestic for premium grade

農林水産省 漁業・養殖統計

Certifications commonly available

Certification schemes commonly obtainable for this raw material. Always confirm the specific supplier's current certificate before contracting.

SchemeAvailability
MSCOn-requestHokkaido hotate fisheries hold MSC certification
ASCOn-requestCultured operations
HalalCommonBivalves are generally Halal-permissible per Shafi'i school; processing chain certification available for export
KosherUnavailableShellfish are not Kosher

Alternative ingredients

Related ingredients commonly evaluated as substitutes.

Quick answers

What is Hotategai (Japanese Scallop)?
Hotategai (ほたてがい / 帆立貝) — Yesso scallop (Mizuhopecten yessoensis) — is Japan's premium scallop, Hokkaido-dominant (>80%). Defining hotate-no-hashira sashimi/sushi/butter-yaki. **Major export channel impacted by 2023 China import-suspension** (Fukushima water), prompting US/EU diversification.
What is the regulatory status of Hotategai (Japanese Scallop) in Japan?
Standard food labeling. **Origin disclosure required.** **Mollusk JAS-recommended-disclosure allergen.** Hokkaido brand premium category. **Major export disruption from 2023 China import-suspension.**
What products typically use Hotategai (Japanese Scallop)?
Live/fresh hotategai retail (Hokkaido premium) / Frozen scallop-adductor B2B (major export and domestic foodservice) / Dried scallop premium Chinese-cuisine B2B / Scallop-fry retail
Where does Hotategai (Japanese Scallop) come from?
Yesso scallop (Mizuhopecten yessoensis); **Hokkaido is the dominant production region (>80% domestic), with Aomori as second** — Mutsu Bay, Saroma Lake (Hokkaido east), Funka Bay (south Hokkaido) are historic premium grounds; Japan is a global top-3 scallop producer; **Japanese scallop exports were heavily impacted by 2023 China import-suspension following Fukushima-treated-water release**, prompting US/EU/SE-Asia channel diversification
What is the INCI / JSCI labeling name for Hotategai (Japanese Scallop)?
JSCI: ほたてがい 生 / 貝柱 生 / 干し / 水煮 / フライ

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Official regulatory databases

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References

  1. 文部科学省 (Ministry of Education, Culture, Sports, Science and Technology) Standard Tables of Food Composition — ほたてがい 生 / 貝柱 生 / 干し / 水煮 / フライ

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

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