Pacific bluefin tuna (Kuro-maguro/Hon-maguro)

Name (Japanese) Bluefin tuna (Hon Maguro / ホンマグロ / 本鮪)
Overall Rating Flavor: ★★★★★
Texture: ★★★★★
Popularity: ★★★★★
Reference Price Value: ★★★★★
Price range: $70~$200+/lb (depending on grade and cut)
Best Season Winter to early spring (December to April)
Did you know? Bluefin tuna are ultimate athletes who run both sprints and marathons.
Category Details
1. Overview Kanji Name: 本鮪 / 黒鮪 (Hon-maguro / Kuro-maguro)
English Name: Bluefin tuna
Scientific Name: Thunnus thynnus
Classification:
• Kingdom: Animalia
• Phylum: Chordata
• Class: Actinopterygii
• Order: Scombriformes
• Family: Scombridae
• Genus: Thunnus
• Species: T. thynnus
Average Size: 150–250 cm (adult)
Key Features: Rich, fatty flesh (especially otoro), deep red color, strong umami flavor, highly prized in sushi cuisine
2. Habitat & Distribution Found in the Pacific, Atlantic, and Mediterranean oceans.
In Japan, mainly caught near Oma (Aomori), Tsukiji/Toyosu markets supply imported and domestic catches.
Prefers offshore deep waters but migratory species.
3. Seasonality Best season is winter to early spring (December–April).
Highest fat content and flavor in colder months, especially for otoro and chutoro cuts.
4. Sushi Ingredient Profile Common Uses: Nigiri, sashimi, sushi rolls, seared (aburi) preparations
Flavor: Rich, fatty, full umami taste
Texture: Smooth, buttery, melts in mouth for high-fat cuts
Fat Content: Varies by cut; otoro is extremely fatty, chutoro moderate, akami lean
5. Preparation & Craftsmanship Handled carefully to preserve freshness; often sliced with precise technique for sushi.
Seared otoro or chutoro can enhance aroma.
Aging techniques (jukusei) sometimes applied to intensify flavor.
6. Recommended Pairings Sushi Rice: Lightly seasoned white vinegar rice
Condiments: Wasabi, yuzu zest, soy-based nikiri sauce
Drinks: Rich sake, full-bodied white wine, or light red wine for fatty cuts
7. Nutritional Information Excellent source of high-quality protein, omega-3 fatty acids (EPA & DHA), vitamin D, and B vitamins.
Fatty cuts are calorie-dense but heart-healthy in moderation.
8. Trivia & Cultural Notes “Kuromaguro” literally means “black tuna,” distinguishing it from other tuna species.
Considered the pinnacle of sushi ingredients; prized for otoro cuts.
Frequently featured in high-end sushi auctions and traditional celebrations in Japan.
9. Recommended Sushi Styles • Otoro nigiri (fatty belly)
• Chutoro nigiri (medium-fat belly)
• Akami nigiri (lean meat)
• Aburi seared chutoro or otoro
• Tuna rolls (tekka maki)

Other Information