Surf clam (Hokki-gai)

Name (Japanese) Surf Clam (Hokki-gai / ホッキガイ / 北寄貝)
Overall Rating Flavor: ★★★☆☆
Texture: ★★★★☆
Popularity: ★★★☆☆
Reference Price Value: ★★★☆☆
Price range: $10~$25/lb
Best Season Winter to early spring
Did You Know? Surf clams are long-lived shellfish, often surviving more than 30 years.
Category Details
1. Overview Official Name: Uba-gai (ウバガイ)
Kanji Name: 北寄貝 (Hokki-gai)
English Name: Sakhalin Surf Clam
Scientific Name: Spisula sachalinensis
Classification:
• Kingdom: Animalia
• Phylum: Mollusca
• Class: Bivalvia
• Order: Veneroida
• Family: Mactridae
• Genus: Spisula
• Species: S. sachalinensis
Average Size: Shell 8–15 cm
Key Features: Distinctive pink-tipped flesh; tender yet firm; popular in sushi and sashimi
2. Habitat & Distribution Native to northern Japan, especially Hokkaido.
Found in cold sandy seabeds.
Harvested both wild and farmed.
3. Seasonality Best season is winter to early spring.
Flavor and texture peak in colder months.
4. Sushi Ingredient Profile Common Uses: Sashimi, nigiri, grilled, soups
Flavor: Sweet, ocean-bright
Texture: Firm yet tender
Fat Content: Low; emphasizes clean taste
5. Preparation & Craftsmanship Served raw as sashimi or sushi.
Light grilling enhances sweetness.
Requires precise handling to preserve freshness.
6. Recommended Pairings Sushi Rice: Lightly seasoned with vinegar
Condiments: Wasabi, soy sauce, citrus (yuzu, lemon)
Drinks: Dry sake, crisp white wine, light beer
7. Nutritional Information High in protein and low in fat.
Rich in vitamin B12, iron, and zinc.
Supports immune health and energy metabolism.
8. Trivia & Cultural Notes A beloved sushi ingredient in Japan.
Its pink-tipped flesh is iconic in sushi presentation.
Considered a winter delicacy in northern regions.
9. Recommended Sushi Styles • Hokki-gai nigiri
• Hokki-gai sashimi
• Lightly grilled Hokki-gai sushi
• Hokki-gai miso soup

Other Information