Sardine (Iwashi)

Name (Japanese) Sardine (Iwashi / イワシ / 鰯)
Overall Rating Flavor: ★★★★☆
Texture: ★★★☆☆
Popularity: ★★★☆☆
Reference Price Value: ★★★★★
Price range: $5~$15/lb
Best Season Autumn to early winter (September–December)
Did You Know? Sardines spoil very quickly, so their kanji 鰯 literally means “weak fish.”
Category Details
1. Overview Official Name: Ma-iwashi (マイワシ)
Kanji Name: 鰯 (Iwashi)
English Name: Sardine
Scientific Name: Sardinops melanostictus (Japanese Sardine)
Classification:
• Kingdom: Animalia
• Phylum: Chordata
• Class: Actinopterygii
• Order: Clupeiformes
• Family: Clupeidae
• Genus: Sardinops
• Species: S. melanostictus
Average Size: 15–25 cm
Key Features: Oily, rich in umami; soft flesh; highly nutritious with omega-3
2. Habitat & Distribution Found in coastal waters of the Pacific Ocean.
Common around Japan, Korea, and China.
Lives in large schools near the surface.
3. Seasonality Best season is autumn to winter.
Fat content peaks between September and December.
4. Sushi Ingredient Profile Common Uses: Nigiri, sashimi, grilled dishes
Flavor: Bold, rich, umami-packed
Texture: Soft, oily, melt-in-mouth
Fat Content: High; flavorful and nutritious
5. Preparation & Craftsmanship Often served fresh as sashimi or nigiri.
Lightly cured with salt or vinegar to enhance flavor.
Grilled whole for traditional Japanese dishes.
6. Recommended Pairings Sushi Rice: Balanced seasoning to match richness
Condiments: Ginger, green onion, shiso
Drinks: Sake, shochu, light beer
7. Nutritional Information Excellent source of protein and omega-3 fatty acids.
Rich in calcium, vitamin D, and B vitamins.
Promotes heart and bone health.
8. Trivia & Cultural Notes Long valued as a staple in Japanese cuisine.
Symbol of abundance due to its large schools.
Essential fish in both traditional and modern dishes.
9. Recommended Sushi Styles • Iwashi nigiri (with ginger and green onion)
• Iwashi sashimi (fresh or lightly cured)
• Grilled iwashi (whole fish)
• Iwashi roll with shiso and ginger

Other Information