Is It Safe to Eat?
Yes—generally, salmon with dark spots like this is safe to eat as long as:
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It smells fresh (not sour or ammonia-like).
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The flesh is firm and not slimy.
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It was stored properly and thawed safely in the refrigerator.
The spots may have a stronger flavor, which some people find off-putting, but they won’t harm you. If you prefer, you can simply trim away the dark sections before cooking.
How to Prevent This From Happening
While you can’t always avoid natural bloodlines in salmon, here are a few tips to minimize the appearance of dark spots when defrosting:
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Buy high-quality salmon: Premium cuts often have fewer imperfections.
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Freeze quickly: If freezing at home, wrap salmon tightly and freeze fast to preserve color.
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Thaw properly: Always thaw in the refrigerator overnight rather than at room temperature, which can exaggerate discoloration.
Final Thoughts
Seeing dark spots in your defrosted salmon might be surprising, but it’s usually nothing to worry about. These marks are most often just natural bloodlines or bruising that become more visible after freezing. While safe to eat, trimming them away can give you a cleaner look and milder taste. So next time you thaw your salmon and spot these patches, you’ll know exactly what they are—and that your dinner is still good to go.
