but that same creativity means it can be hard to judge which rolls are healthier and which are calorie-dense fat-and-carb bombs. At its best, sushi “offers heart-healthy omega-3 rich foods ...

KAWASAKI, Japan — Seafood lovers know the fatty marbling is what makes tuna sashimi and sushi so tasty, so for the industry, it's the fish's level of fattiness that's used to judge its quality ...

Seafood lovers know the fatty marbling is what makes tuna sashimi and sushi so tasty. So for the industry, it is the fish’s level of fattiness that is used to judge its quality and pricing.