Food · Fermented foods

Kouika (Cuttlefish)

こういか (Kouika)

Also known as: Kouika, Cuttlefish, Sepia esculenta, 甲烏賊, Sumi-ika

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At a glance

CategoryFood
Japanese labeling nameこういか
Common Japanese notationsこういか, 甲烏賊, コウイカ, スミイカ
OriginCuttlefish (Sepia esculenta); coastal waters; thick body suited to sushi sashimi
Typical functionsPremium sushi/sashimi — Edomae signature white-flesh squid
Regulatory status in JapanStandard food labeling. Mollusc allergen recommended disclosure.

Kouika (こういか / 甲烏賊) is cuttlefish (Sepia esculenta), distinct from squid. Premium Edomae sushi/sashimi white-flesh signature.

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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.

  • Fresh whole kouika (foodservice)

Ingredient profile

Sepia esculenta cuttlefish, distinct from squid.

OEM applications

Edomae sushi/sashimi.

For OEM: foodservice premium supply.

Regulatory classification in Japan

Standard food labeling. Mollusc allergen recommended.

Regulatory classification in other markets

EUEstablished global cuttlefish trade.
USANiche specialty in Asian cuisine.
ChinaEstablished global trade.
KoreaNiche specialty positioning.

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
December – April
Peak supply
January – March
Off-season
May – November

Source: 水産庁 統計. 瀬戸内海 inland sea production; Hyogo / Aichi major landings.

Storage requirements

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

Temperature
Chilled 0°C; frozen −20°C
Conditions
Cleaned and frozen IQF; ink-sac removal recommended
Shelf life
Chilled 3 days; frozen 6 months

Supply concentration

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

Primary regions
Aichi (Mikawa Bay), Hyogo (Akashi), Hiroshima
Import dependence
Mostly domestic Setouchi inland sea production

水産庁

Certifications commonly available

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

SchemeAvailability
HalalOn-request
KosherUnavailable

Alternative ingredients

Related ingredients commonly evaluated as substitutes.

Quick answers

What is Kouika (Cuttlefish)?
Kouika (こういか / 甲烏賊) is cuttlefish (Sepia esculenta), distinct from squid. Premium Edomae sushi/sashimi white-flesh signature.
What is the regulatory status of Kouika (Cuttlefish) in Japan?
Standard food labeling. Mollusc allergen recommended disclosure.
What products typically use Kouika (Cuttlefish)?
Fresh whole kouika (foodservice)
Where does Kouika (Cuttlefish) come from?
Cuttlefish (Sepia esculenta); coastal waters; thick body suited to sushi sashimi
What is the INCI / JSCI labeling name for Kouika (Cuttlefish)?
JSCI: こういか

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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 — こういか

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

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