What Is Sushi-Grade Fish?
"Sushi-grade" and "sashimi-grade" are on every package of fish meant to be eaten raw — but they aren't an official government grade. Here's what the terms actually mean, what really makes raw fish safe, and how to use that knowledge to buy fish for sashimi with confidence.
Is Sushi-Grade an Official Regulation?
No. There is no USDA or FDA "sushi-grade" or "sashimi-grade" certification. The terms are used by sellers to indicate that fish is high quality and, in their judgment, safe to eat raw. Because the label isn't regulated, what actually matters is how the fish was handled — which is why sourcing and freezing details matter more than the words on the sticker.
What Actually Makes Raw Fish Safe
The meaningful standard is the FDA guideline that fish intended to be eaten raw be frozen to destroy parasites: typically −4°F (−20°C) for 7 days, or −31°F (−35°C) until solid and then held for 15 hours. Many "fresh" sashimi-grade fish have actually been commercially flash-frozen for exactly this reason. Tuna is a common exception and is often sold fresh for raw use because of how it's handled at sea.
How to Buy Fish You Can Eat Raw
Buy from a source that explicitly labels fish sashimi-grade or sushi-grade and can tell you how it was frozen and where it came from. A reputable fish market or a specialist online seafood supplier is more reliable than a generic grocery counter. Trust your senses too: raw-ready fish should smell clean like the ocean (not "fishy"), look vibrant and firm, and have no browning or dryness at the edges.
Sushi-Grade vs Regular Fish: The Practical Difference
The difference is intent and handling, not a magic quality tier. Sushi-grade fish has been selected and handled — usually frozen to parasite-destruction standards — so it's meant to be served raw. Regular fish from the same species may be perfectly good but was handled to be cooked. If you plan to make sashimi or a sashimi platter at home, always start from fish sold for raw consumption.