{"schema":"askedwell-earned-page-v1","url":"https://askedwell.com/pages/how-long-does/fish-fridge","question":"How long does fish last in the fridge?","short_answer":"Raw fish (salmon, tuna, white fish): 1-2 days fridge (USDA). Cooked fish: 3-4 days. Smoked fish: 5-7 days. Shellfish (raw): 1-2 days. Sushi-grade fish: 24 hours max. Frozen raw fish: 3-8 months by type. Time-based discard — fish spoils silently faster than meat.","long_answer":"Fish has the shortest fridge life of any common protein — 1-2 days raw. This is dramatically less than beef (3-5 days) or pork (3-5 days). Fish flesh has weak connective tissue + high water content + neutral pH, all of which accelerate bacterial growth. Time-based discard rules are critical because fish doesn't always show obvious spoilage signs until pathogens have multiplied dangerously.\n\n**USDA + FDA standard guidelines:**\n\n**Raw fish (refrigerated below 40°F):**\n\n- **Fresh whole fish (gutted):** 1-2 days\n- **Salmon (fillet or steak):** 1-2 days\n- **Tuna (steak):** 1-2 days\n- **White fish (cod, haddock, halibut):** 1-2 days\n- **Trout:** 1-2 days\n- **Mackerel:** 1-2 days (especially perishable)\n- **Sardines (fresh):** 1-2 days\n- **Sole, flounder:** 1-2 days\n- **Sea bass, snapper:** 1-2 days\n\n**Sushi-grade raw fish (for sashimi):**\n- **24 hours maximum** at refrigeration temperatures\n- Some restaurants do 4-12 hours from purchase\n- Look for \"previously frozen\" labeling on sushi-grade\n\n**Cooked fish:**\n- **Standard cooked fish:** 3-4 days refrigerated\n- **Fish in cooked dishes:** 3-4 days\n- **Casseroles + soups containing fish:** 3-4 days\n- **Tuna salad (mayo-based):** 3-4 days\n\n**Smoked fish:**\n- **Hot-smoked salmon:** 5-7 days unopened, 3-4 days opened\n- **Cold-smoked salmon (lox):** 5-7 days unopened, 3-4 days opened\n- **Smoked trout:** 5-7 days\n\n**Cured + preserved fish:**\n- **Gravlax:** 7-10 days refrigerated\n- **Pickled herring:** 3-4 weeks refrigerated\n- **Canned tuna (unopened):** 3-5 years shelf-stable; 3-4 days opened\n\n**Frozen fish (raw):**\n\n- **Lean white fish (cod, haddock, halibut):** 6-8 months\n- **Fatty fish (salmon, mackerel, tuna):** 2-3 months (oils oxidize faster)\n- **Trout:** 3-5 months\n- **Shellfish (shrimp, scallops):** 3-6 months\n- **Whole gutted fish:** 6-12 months\n- **Smoked fish (frozen):** 2 months\n\n**Why fish lasts shorter than meat:**\n\n1. **Higher water content:** fish flesh is 70-80% water vs. beef 60-70%\n2. **Weak connective tissue:** bacteria penetrate easily\n3. **Neutral pH (6.5-7):** more bacteria-friendly than acidic beef (pH 5.5)\n4. **Fish-specific bacteria:** Pseudomonas, Photobacterium grow at fridge temps\n5. **Enzymatic breakdown:** fish enzymes continue post-death\n6. **Fat oxidation:** unsaturated fish oils degrade fast\n7. **Bacterial load from cold ocean:** different microbes than land animals\n\n**The smell test (especially important for fish):**\n\n**Fresh fish should smell:**\n- **Like the ocean** (clean, mild brine)\n- **NOT fishy** (strong odor = breakdown)\n- **NOT sour** or off\n\n**Discard if:**\n- Strong \"fishy\" or ammonia smell\n- Sliminess on surface\n- Cloudy eyes (whole fish)\n- Gray or yellow flesh discoloration\n- Soft, mushy texture\n- Brown or beige spots\n- Sticky surface beyond normal moisture\n\n**Visual indicators (fresh fish):**\n\n- **Eyes (whole fish):** clear + slightly bulging\n- **Gills:** bright red or pink\n- **Flesh:** firm + glossy\n- **No clear \"fluid\"** or excessive moisture pooling\n\n**Visual indicators (spoiled fish):**\n\n- **Eyes:** cloudy, sunken, dull\n- **Gills:** brown or gray\n- **Flesh:** soft + dull\n- **Pooling cloudy liquid** in packaging\n- **Bones separating** from flesh easily\n- **Brown or beige discoloration**\n\n**Spoilage timeline:**\n\n- **Day 0:** fresh, ocean-smelling\n- **Day 1:** still fresh, slight aging signs\n- **Day 2:** at threshold; should be cooked\n- **Day 3+:** discard regardless of appearance\n\n**Fish-specific bacteria + risks:**\n\n- **Salmonella:** common contamination from poor handling\n- **Listeria monocytogenes:** can grow at 40°F (refrigerator temp)\n- **Clostridium botulinum:** in raw fish + smoked vacuum-sealed products\n- **Histamine-producing bacteria:** scombrotoxin from spoiled mackerel/tuna/skipjack\n- **Scombrotoxin:** histamine poisoning from improperly stored tuna/mackerel\n- **Anisakis worms:** parasites in some raw fish; freezing kills (FDA freezing standard: 7 days at -4°F)\n\n**Sushi + raw fish safety:**\n\nFor raw consumption (sashimi, sushi, ceviche, carpaccio):\n- **Buy sushi-grade fish** (previously frozen to FDA spec)\n- **Consume within 24 hours** of opening\n- **Keep refrigerated** until ready to serve\n- **Don't leave at room temp** >2 hours\n\nThe FDA-required parasite-killing freeze:\n- **-4°F (-20°C) for 7 days**, OR\n- **-31°F (-35°C) for 15 hours**\n\nSalmon, tuna, mackerel, and other fish used raw must have undergone this freeze (or be from a supplier certified by buyer). Most \"sashimi-grade\" or \"sushi-grade\" labels indicate compliance.\n\n**Storage best practices:**\n\n**Raw fish:**\n\n1. **Coldest part of fridge** (below 40°F, ideally 32-35°F)\n2. **On a plate with ice** (some grocers recommend keeping fish on ice in fridge)\n3. **Original packaging** until ready to cook\n4. **Lowest shelf** (prevent drip)\n5. **Don't open packaging repeatedly**\n6. **Use within 1-2 days** of purchase\n\n**Repackaging fish:**\n\nIf repackaging:\n- **Vacuum-seal:** extends to 7-10 days refrigerated\n- **Use parchment paper** OR plastic wrap + plate\n- **Ice packs in cooler** for transport home\n\n**Cooked fish:**\n\n1. **Cool quickly:** within 2 hours\n2. **Shallow containers** for fast cooling\n3. **Airtight** after cooling\n4. **Use within 3-4 days**\n5. **Reheat to 145°F** internal (or 165°F for safety)\n\n**Smoked fish:**\n\n1. **Original packaging** preferred (often vacuum-sealed)\n2. **Sealed tightly** after opening\n3. **Use within 5-7 days** of opening\n4. **Watch for slime + ammonia smell**\n\n**Defrosting frozen fish:**\n\n- **Refrigerator thaw:** 24 hrs per 5 lb of fish (safest, slow)\n- **Cold-water thaw:** 30 min per pound (in sealed bag)\n- **NEVER counter thaw** (fish enters bacterial zone fast)\n- **Microwave thaw:** acceptable but cook immediately after\n\n**Refreezing thawed fish:**\n\nUSDA: safe to refreeze fish thawed in refrigerator (quality degrades). Not safe if thawed at room temperature or in microwave.\n\n**Vacuum-sealed fish:**\n\n- **Pre-vacuum-sealed fresh:** 7-10 days refrigerated\n- **Vacuum-sealed smoked:** 2-3 weeks unopened, 3-4 days opened\n- **Vacuum-sealed frozen:** maintains quality 12+ months\n- **Sous vide cooked + sealed:** 5-7 days refrigerated\n\n**Shellfish-specific:**\n\n**Live shellfish (oysters, mussels, clams):**\n- **2-4 days refrigerated** in original packaging\n- **Tightly closed** indicates alive; discard any open ones\n- **Never freeze live shellfish**\n- **Cook the same day or next day** for best quality\n\n**Cooked shellfish:**\n- **Cooked shrimp, lobster, crab:** 3-4 days refrigerated\n- **Cooked scallops:** 3-4 days refrigerated\n- **Frozen cooked shellfish:** 3-6 months\n\n**Shrimp (raw):**\n- **Fresh raw shrimp:** 1-2 days fridge\n- **Frozen raw shrimp:** 6 months\n- **Pre-cooked frozen shrimp:** 3-6 months\n\n**Scallops:**\n- **Fresh raw scallops:** 1-2 days fridge\n- **Frozen raw scallops:** 6 months\n\n**Lobster:**\n- **Live lobster:** 1-2 days fridge in original packaging\n- **Cooked lobster:** 3-4 days fridge\n- **Frozen lobster tails:** 6-9 months\n\n**Crab:**\n- **Live crab:** 1-2 days fridge\n- **Cooked crab meat (pasteurized):** 3-5 days fridge\n- **Frozen crab:** 3-6 months\n\n**Octopus + squid:**\n- **Fresh raw:** 1-2 days\n- **Frozen:** 2-3 months\n- **Cooked:** 3-4 days fridge\n\n**Cocktail/grocery store seafood:**\n- **Frozen cooked shrimp from bag:** 3-4 days fridge once thawed\n- **Smoked salmon retail (unopened):** check date\n- **Imitation crab (surimi):** 7-10 days fridge unopened, 3 days opened\n\n**The 2-hour rule (extra critical for fish):**\n\nFish at room temperature for more than 2 hours should be discarded. In hot weather (>90°F), reduce to 1 hour. Fish supports bacterial growth even faster than poultry above 40°F.\n\n**Don't:**\n- Eat raw fish past 24-48 hours regardless of smell\n- Trust your nose alone — fish bacteria can be invisible\n- Refreeze fish thawed at room temperature\n- Eat smoked fish with off-smell (botulism risk in vacuum-sealed)\n- Leave fish at room temperature >2 hours\n- Mix raw fish with cooked foods (cross-contamination)\n- Use unstable refrigeration for raw fish\n\n**Common mistakes:**\n\n- **Counter-defrosting:** rapid bacterial growth + texture damage\n- **Storing in fridge door:** temperature variation reduces life\n- **Trusting \"freshness\" by appearance only:** fish bacteria can be invisible\n- **Stretching the 2-day rule:** fish at day 3 raw is risky\n- **Not cooking thoroughly:** smoked fish requires 165°F if heating\n\n**Cross-reference:** see /pages/how-long-does/chicken-fridge for poultry comparison + /pages/how-long-does/beef-fridge for red meat + /pages/what-temperature-for/cooking-salmon for cooking temperatures.\n\nMost published references (USDA FoodKeeper App, FDA Refrigerator + Freezer Storage Chart, USDA Food Safety + Inspection Service, NOAA Fisheries, StillTasty) converge on 1-2 days raw fish / 24 hours raw sushi-grade / 3-4 days cooked / 3-8 months frozen, with time-based discard rules essential due to silent bacterial growth.","duration_iso":"P2D","ranges":[{"condition":"Raw fish fillets (fridge)","duration":"1-2 days"},{"condition":"Sushi-grade raw fish","duration":"24 hours max"},{"condition":"Cooked fish (fridge)","duration":"3-4 days"},{"condition":"Hot-smoked fish opened","duration":"3-4 days"},{"condition":"Cold-smoked salmon (lox) opened","duration":"3-4 days"},{"condition":"Frozen lean fish (cod, halibut)","duration":"6-8 months"},{"condition":"Frozen fatty fish (salmon, tuna)","duration":"2-3 months"},{"condition":"Vacuum-sealed raw fish","duration":"7-10 days fridge"}],"variables":[{"name":"Fish type","effect":"Fatty fish (salmon, mackerel) oxidize faster than lean fish (cod, halibut)"},{"name":"Form (raw vs cooked)","effect":"Raw 1-2 days; cooked 3-4 days; cooking pasteurizes + extends life"},{"name":"Packaging method","effect":"Vacuum-sealed extends to 7-10 days raw; original wrap 1-2 days"},{"name":"Use case (cooking vs raw)","effect":"Sushi-grade for raw must be FDA-frozen first; 24 hrs max raw"},{"name":"Storage location","effect":"Coldest fridge spot (32-35°F) extends life; door storage shortens"}],"sources":[{"label":"USDA FoodKeeper App","url":"https://www.foodsafety.gov/keep-food-safe/foodkeeper-app","note":"Official US storage time database with seafood section"},{"label":"FDA Refrigerator + Freezer Storage Chart","url":"https://www.fda.gov/food/buy-store-serve-safe-food/refrigerator-freezer-storage-chart","note":"Federal seafood refrigeration timelines + sushi-grade freezing standards"},{"label":"USDA Food Safety + Inspection Service","url":"https://www.fsis.usda.gov/food-safety/safe-food-handling-and-preparation/seafood","note":"Official seafood storage + safety guidelines"},{"label":"NOAA Fisheries","url":"https://www.fisheries.noaa.gov/","note":"Federal seafood quality + handling standards"}],"faq":[{"question":"Why does fish go bad so much faster than meat?","answer":"Fish has higher water content (70-80% vs. 60-70% for beef), weaker connective tissue (bacteria penetrate easily), neutral pH (more bacteria-friendly), and fish-specific bacteria (Pseudomonas, Photobacterium) that grow at refrigerator temperatures. Fish enzymes also continue breaking down flesh post-death. USDA recommends 1-2 days raw fish vs. 3-5 days for beef due to these factors."},{"question":"How can I tell if fish has gone bad?","answer":"Smell first — fresh fish smells like the ocean (mild, clean); spoiled fish smells \"fishy,\" ammonia-like, or sour. Visual: cloudy eyes (whole fish), gray gills, slimy surface, yellow/brown discoloration, soft mushy texture. Cooked fish: off-smell, sliminess, mold, color changes. When in doubt, throw out — fish bacteria can multiply silently to dangerous levels."},{"question":"Is \"sushi-grade\" fish actually safe to eat raw?","answer":"Yes, but only if labeled \"sushi-grade\" or \"sashimi-grade\" and stored properly. FDA requires raw fish to be frozen at -4°F for 7 days (or -31°F for 15 hours) to kill parasites (Anisakis). Reputable sources comply with this standard. Consume within 24 hours of purchase, keep refrigerated, and never leave at room temperature >2 hours. Cooked fish requires 145°F internal temperature; raw fish requires this freezing pre-treatment."}],"keywords":["how long does fish last","fish fridge time","raw fish refrigerator","cooked fish shelf life","fish storage time"],"category":"cooking","date_published":"2026-05-20","date_modified":"2026-05-20","license":"CC-BY-4.0","attribution":"https://askedwell.com"}