Bigeye Tuna

Bigeye Tuna

Thunnus obesus

Moderate contaminant profile

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

SashimiSear rareGrillPoke

💡 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

Yellowfin Tuna
Skipjack Tuna

Categories

OceanCharter FishTunaSushi

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.