3 Ways to Know if a Salmon is Spoiled

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3 Ways to Know if a Salmon is Spoiled
3 Ways to Know if a Salmon is Spoiled

When you cook and store it properly, salmon is a healthy and delicious fish. Always check raw fish for signs of deterioration before preparing a meal. Throw away any leftover salmon that has not been properly refrigerated or is more than two days old.


Method 1 of 3: Checking Raw Salmon

Know if Salmon Is Bad Step 1

Step 1. Check the smell of the salmon

Smell raw salmon to see if it has an unpleasant odour. It's probably spoiled if it has a strong, pungent, ammonia-like smell. Fresh salmon has a very light smell.

Know if Salmon Is Bad Step 2

Step 2. Look for a milky layer

One of the signs that a raw fish is spoiled is the presence of a white, translucent layer. Before cooking, examine the salmon to see if there is a milky layer on the surface. Discard the fish if an opaque film is developing,.

Know if Salmon Is Bad Step 3

Step 3. Check the consistency of raw salmon

If the fish is weak and looks like it will break when handled, throw it away. Fresh salmon is always firm and consistent.

Know if Salmon Is Bad Step 4

Step 4. Examine the eyes

If you bought the fish with a head, check for any discoloration in the eyes. Fresh salmon have bright, clear eyes with a dark pupil. When it is spoiled, the eyes are discolored.

Salmon eyes should also be a little bulging. The fish is probably spoiled if the eyes appear to have sunk

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Step 5. Analyze the color of the salmon

Fresh fish has a pink or light orange color. If it's pale and opaque, it must be spoiled.

The fish should also have fine white lines on the surface, which indicates freshness

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Step 6. Check expiration dates if you are in doubt about the quality of the salmon

The date is not a definitive prediction of when it will be spoiled, but it does give a good idea of ​​when it will not be good for consumption. Also check if there is a sale period on the product packaging.

Fresh refrigerated salmon is usually good for a day or two after the on-package sale date

Method 2 of 3: Checking If Salmon Leftovers Are Still Good

Know if Salmon Is Bad Step 7

Step 1. Analyze the smell

If cooked salmon smells sour and unpleasant, throw it away immediately. The strong smell is a clear indication that the leftovers have gone bad. Don't eat if you no longer smell light and appetizing.

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Step 2. Check the texture

A sure sign that the leftover cooked fish has gone bad is a sticky consistency. Do not eat if it has a thick, flaky texture. Discard if there is any stickiness.

Know if Salmon Is Bad Step 9

Step 3. Avoid cooking salmon at room temperature for more than two hours

The fish should be thrown away if it has been outside this long. Bacteria will start to grow if not refrigerated. Always remember what time you cooked it or when you ordered it at the restaurant and what time you can put it in the fridge.

Know if Salmon Is Bad Step 10

Step 4. Throw away leftovers that are more than two or three days old

Three days after cooking, discard salmon regardless of appearance. If you are unsure of the condition of the fish after two days, do not eat it. It's not worth the risk of consuming a food with bacteria.

Method 3 of 3: Checking the Salmon is Cooked Correctly

Know if Salmon Is Bad Step 11

Step 1. Use a fork to see if the fish breaks into scales

When properly cooked, salmon will crumble when cut. If it is dense or rubbery, it has not been cooked properly.

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Step 2. Make sure it is opaque

Cut the salmon into the thickest part and check the color. A well-cooked fish is opaque. If it looks translucent, it needs to be baked longer.

Know if Salmon Is Bad Step 13

Step 3. Test the temperature of the salmon

If you have a meat thermometer, use it to check the internal temperature. Place the instrument on the thickest part of the fish and leave for a minute to get an accurate reading. A well-cooked piece should be approximately 65 °C.

Use a digital thermometer to get the clearest reading possible


  • While wild salmon is sometimes believed to be healthier than farmed salmon, neither is bad. All types of salmon are rich in vitamins and nutrients such as omega 3 and vitamin A.
  • Store fish in its original packaging or in a closed container to keep it fresh.
  • Storing raw salmon in the freezer increases shelf life by two to three months.
  • Curing and smoking salmon are also good ways to increase shelf life.

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