One of the differences between wild and farmed salmon is their color. Wild salmon gets its pink color from the natural astaxanthin found in their diet, while farmed salmon is fed synthetic astaxanthin or dyes to give it a similar color.
Wild salmon has a more vibrant color compared to farmed salmon, which can appear pale or dull.
Meanwhile, inside the salmon.
One of the differences between wild and farmed salmon is their color. Wild salmon gets its pink color from the natural astaxanthin found in their diet, while farmed salmon is fed synthetic astaxanthin or dyes to give it a similar color.
Wild salmon has a more vibrant color compared to farmed salmon, which can appear pale or dull.
Source