WTF Fun Fact – The Color Of Salmon

Farm-raised salmon are naturally grey while wild salmon are naturally pink due to their diet which includes astaxanthin, a compound found in krill and shrimp. Salmon farmers have to add astaxanthin to their feed to give them the pink color. It is the most expensive part of their food. – WTF Fun Facts

Source: https://www.foodandwine.com/news/your-salmon-might-be-lying-you-farm-raised-salmon-isn-t-naturally-pink

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