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Salmon is well known for its omega-3 fatty acids, and some of the fish's fat is concentrated in and immediately beneath the skin.
Salmon skin can therefore contribute:
- Omega-3 fatty acids
- Protein
- Healthy fats
- Selenium
- Vitamin D and other nutrients naturally present in salmon
The exact nutritional content varies depending on the species, portion size, and where the fish was raised or caught.
So removing the skin isn't necessarily required from a nutrition standpoint.
What About Mercury?
Mercury is one reason people are sometimes cautious about eating fish.
The good news is that salmon is generally considered a lower-mercury fish compared with larger predatory species such as swordfish, shark, king mackerel, and some types of tuna.
For most people, salmon can be part of a healthy diet.
However, fish consumption recommendations can vary depending on age, pregnancy, and other circumstances. If you're in a group that has specific fish-consumption guidelines, follow the recommendations from your local food-safety authority.
What About PCBs and Other Contaminants?
This is a more complicated question.
Fish can accumulate environmental contaminants, including PCBs (polychlorinated biphenyls) and other pollutants. Some contaminants are associated more strongly with fatty tissues.
Because salmon skin contains fat, some people wonder whether removing it reduces exposure.
Cooking methods can reduce some contaminants, but cooking does not eliminate all environmental contaminants.
For this reason, the most important strategy isn't simply removing the skin—it's choosing fish from reputable sources and following current local fish-consumption advisories when applicable.
Wild Salmon vs. Farmed Salmon
You'll often hear debates about whether wild salmon or farmed salmon is healthier.
Both can provide valuable nutrients, including protein and omega-3 fatty acids.
Their nutritional profiles can differ because of species, diet, and farming or fishing conditions.
Rather than assuming that one is always safe and the other isn't, pay attention to where the fish comes from and whether there are any relevant local advisories.
Should You Wash Salmon Skin?
If you're preparing raw salmon, good kitchen hygiene is more important than aggressively washing the fish.
Instead of relying on rinsing to make raw fish safe, focus on:
- Keeping raw fish refrigerated
- Preventing cross-contamination
- Washing your hands after handling it
- Cleaning cutting boards and utensils properly
- Cooking the fish to a safe internal temperature
Rinsing raw seafood can also splash bacteria around your sink and surrounding surfaces.
How to Make Salmon Skin Crispy
If you're going to eat the skin, crispy is usually the way to go.
Here's a simple method:
1. Pat the Salmon Dry
Use paper towels to remove excess moisture from the skin.
This is one of the most important steps for getting crisp skin.
2. Season It
Season the skin with salt and your preferred spices.
You can keep it simple with salt and black pepper.
3. Heat the Pan
Place a skillet over medium to medium-high heat and add a small amount of cooking oil.
4. Start Skin-Side Down
Place the salmon skin-side down in the hot pan.
Press gently with a spatula for the first few moments to help keep the skin flat against the pan.
5. Let It Cook
Don't constantly move the salmon around.
Allowing the skin to remain in contact with the hot pan gives it time to brown and crisp.
6. Finish Cooking the Fish
Once the skin is crisp and the salmon is cooked through, turn it briefly to finish the flesh side.
Use a food thermometer to verify that the salmon has reached a safe internal temperature.
For a conservative food-safety target, the FDA recommends cooking finfish to 145°F (63°C).
Can You Eat Salmon Skin From Sushi?
This is where you need to be more careful.
Raw or undercooked salmon carries a higher food-safety risk than thoroughly cooked salmon.
Whether raw salmon is appropriate depends on the product, handling, freezing procedures, and preparation practices.
If you're preparing salmon at home, don't assume that ordinary supermarket salmon is automatically suitable for raw consumption simply because the package looks fresh.
For raw preparations, use fish specifically intended and handled for that purpose and follow appropriate food-safety guidance.
What If the Skin Is Slimy?
A little moisture on raw salmon is normal, but a strong unpleasant odor, slimy texture, discoloration, or other signs of spoilage are reasons to discard the fish.
Cooking spoiled fish does not make it safe.
When in doubt, don't taste it to determine whether it's still good.
Is Salmon Skin Safe for Everyone?
For most healthy adults, properly cooked salmon skin is generally safe.
However, people who are pregnant, older adults, young children, and individuals with weakened immune systems are often advised to be especially careful about seafood preparation and consumption.
If you fall into one of these groups, follow the current seafood guidance from your local health authority and avoid raw or undercooked seafood.
Frequently Asked Questions
Is salmon skin healthy?
It can be. Salmon skin contains protein and fats, including omega-3 fatty acids, along with other nutrients.
Should I remove salmon skin before cooking?
You don't have to. Leaving it on can help protect the flesh during cooking and can produce a delicious crispy exterior.
Does cooking salmon skin remove mercury?
No. Cooking isn't a reliable way to remove mercury from fish.
Can I eat salmon skin every day?
Salmon can be part of a healthy diet, but variety is important. Eating a range of lower-mercury fish and following recommended serving guidance is generally a better approach than relying on one type of seafood every day.
Is crispy salmon skin safe to eat?
Yes, provided the salmon has been properly handled and cooked to a safe temperature.
Is wild salmon skin better than farmed salmon skin?
Neither should automatically be considered universally better. Nutritional and contaminant profiles vary depending on species, location, and production methods.
The Bottom Line
Yes, salmon skin is generally safe to eat when the fish is fresh, properly handled, and thoroughly cooked.
It can actually be one of the tastiest parts of the fish when cooked until golden and crisp, and it contains nutrients and healthy fats.
The bigger food-safety priorities are choosing good-quality salmon, preventing cross-contamination, storing it correctly, and cooking it thoroughly.
So the next time you're preparing salmon, you don't necessarily need to peel off the skin.