Shirako - Shirako Wild
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白子

Shirako

, Japan Specialty Wild
Size Range
Various
Availability
Daily / Year-round
Forms Available
Whole, Fillet
Shipping
Fresh (Air) / Frozen
Notes
Available from Madara and Tai. Various sizes.
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The Winter Cream of the Sea

Shirako (literally 'white children' — the milt/sperm sacs of male fish) is one of Japanese cuisine's most extraordinary delicacies. When properly handled, shirako has a texture that defies description — creamier than custard, richer than tofu, delivering a wave of pure marine umami. The two most important sources are Madara (cod) shirako and Fugu (pufferfish) shirako, with Fugu-shirako being the more precious.

Cod shirako is enjoyed throughout the winter — deep-fried tempura style, poached in ponzu, or served in nabe. Fugu shirako, available only from licensed processors due to the toxicity of other fugu organs, is an ultra-luxury item served in the finest restaurants during a brief winter window. The extraordinary richness makes even a small portion memorable.

Advance Intertrade sources both cod and fugu shirako from Japan's winter fisheries. Fugu shirako is strictly by pre-order given its rarity and licensing requirements.

How It's Served

  • 🥢

    Ponzu-served

    Lightly poached, chilled, and served with ponzu, grated daikon, and scallions — showcases the pure creamy texture.

  • 🍳

    Tempura

    The tempura preparation is famous — crispy exterior, molten-cream interior. A revelation for those trying shirako for the first time.

  • 🫕

    Nabe (Hot Pot)

    Added to hot pot at the end — briefly cooked in the broth, the creaminess enriches everything else in the pot.

  • 🍶

    Sake Pairing

    A legendary pairing with warm sake — the rich texture and umami-heavy flavor benefit from warm alcohol.

Export & Sourcing Details

HS Code
0302.89 (Fresh) / 0303.89 (Frozen)
Seasonality
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Milt (cod, fugu) — winter reproductive season.
Size Grading
SizeGradeCommon Use
Cod (200-500g)StandardGeneral winter use
Cod (500g+)PremiumHigh-end restaurants — most popular
Fugu ShirakoUltra-PremiumLicensed venues only — luxury pricing
Fugu (large)LegendaryRare, auction-grade specimens
Available Forms
Fresh chilled · Frozen · Cod: whole sacs, individual portions · Fugu: individually packed by licensed processors
Packing & Cold Chain
Fresh: vacuum-sealed, strict cold chain. Frozen: −40°C blast freeze. Fugu shirako: sealed with certification of licensed processor.
Sourcing Region
Cod: Hokkaido, Aomori, Iwate winter fishery. Fugu: Yamaguchi (Shimonoseki) and Nagasaki licensed producers.
Minimum Order
Cod: from 1 kg. Fugu: strict pre-order, minimums by season.
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