5 Key Differences Between Tuna Belly and Loin

Belly is rich and fatty, loin is lean Belly (otoro) is heavily marbled with fat, soft, and melts on the tongue. Loin (akami) is leaner, firmer, and has a cleaner, more direct tuna flavor.

Belly has a buttery, luxurious texture The high fat content makes belly feel almost like a cross between fish and wagyu. It’s what people pay extra for in sashimi.

Loin is what you usually get in everyday tuna Standard tuna poke bowls and cans of chunk light tuna use loin. It’s meatier, holds its shape better, and tastes more like “tuna” with a slightly metallic, ocean-forward flavor.

Belly is for indulgence, loin is for everyday eating Neither is better—they offer completely different experiences. Belly is a treat, while loin is affordable and versatile.

Don’t confuse belly with toro Toro usually refers to the belly of a bluefin tuna, which is even fattier. That’s a separate category worth exploring.