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Bigeye Tuna
Thunnus obesus
Deep tropical and subtropical oceans worldwide. A larger, deeper-water species than yellowfin.
Contaminant load: Moderate–higher
Flavor Profile
Rich, fatty, complex. Among the most prized tuna for sashimi — higher fat than yellowfin.
Texture & Preparation
Buttery, moist, rich. Premium sashimi quality.
Cooking Methods
💡 Chef's Insight
Bigeye is the premium choice in serious sushi bars when bluefin isn't available — its higher fat content than yellowfin gives it a buttery richness and a longer finish on the palate. For sashimi: slice across the grain with a single clean draw of a sharp knife, fan the slices on a chilled plate, and serve with soy sauce, fresh wasabi, and pickled ginger. Nothing else. For a seared preparation: rub a bigeye loin block with sesame seeds, flaky sea salt, and cracked pepper; sear each face in a ripping-hot pan for forty-five seconds; rest for one minute; slice. The sesame crust and the cold, fatty interior are a remarkable contrast. For a composed bowl: slice over sushi rice, top with microgreens, sliced avocado, crispy shallots, and a drizzle of sriracha-sesame dressing. Reserve for occasional enjoyment given mercury levels.
Safety Context
Higher mercury than yellowfin. FDA/EPA place bigeye tuna on the 'Choices to Avoid' list for children and pregnant people. Other adults can enjoy it occasionally; skipjack or yellowfin are the choices for regular eating.
Primary Contaminants
Mercury — higher than yellowfin due to deeper habitat and longer lifespan. Popular in high-end sushi.
Similar Alternatives
Categories
Find the advisory that applies
This profile describes the species. Recommended consumption frequency depends on where the fish came from — the Water to Table Advisor™ locates the official advisory for your water and household.
