How Long Does Halibut (Raw) Last?

Halibut shares tilapia and cod's 1-2 day fresh fridge window, a timeline set by how quickly lean, delicate fish flesh begins to break down once out of the water, regardless of how much larger and denser a halibut steak is than a thin tilapia fillet.

A sour or ammonia-like smell, rather than halibut's normal mild, clean ocean scent, along with flesh that's turned soft and separates into flakes without any pressure, are the real signs it's spoiled. A cloudy, milky slime on the surface is another dependable warning sign, since a fish steak can still look reasonably firm even after that smell has developed. As with other fish, cooking halibut to 145°F internally is the safety threshold, and that requirement is the same whether the steak is being cooked fresh or was previously frozen.

Fish left out at room temperature for more than an hour or two spoils considerably faster than its general fridge window suggests, since delicate fish flesh breaks down faster outside refrigeration than a denser cut of meat would over the same span of time.

Keeping halibut in the coldest part of the fridge, ideally nested over a bit of ice in a bowl, gives it the best chance of reaching the fuller end of its short 1-2 day fresh window.

A steak that's developed a strong, distinctly fishy smell through its packaging, well beyond halibut's usual clean, mild scent, has often spoiled enough that it's not worth opening the package to inspect further before discarding it.

See Halibut (Raw)'s full storage & shelf-life guide (with spoilage signs) →