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Quality & Handling

What Gives Cook Inlet Sockeye Its Deep-Red Color

Why sockeye run so red — the diet and biology behind the color, and what it does (and doesn't) tell you about the fish.

Sockeye are famous for their deep red-orange flesh — the reddest of the Pacific salmon. It’s the first thing people notice, so it’s worth knowing where the color actually comes from.

It’s the diet

The red comes from carotenoid pigments — mainly astaxanthin — that sockeye take in through what they eat. Their diet leans heavily on tiny crustaceans like krill and other zooplankton, which are rich in those pigments. Salmon can’t make astaxanthin themselves; they accumulate it from their food and deposit it in the flesh. Sockeye eat low on the food chain and take in a lot of it, which is why they run so much redder than other salmon.

What the color tells you

That deep color comes straight from a wild diet loaded with those pigments — it’s genuinely part of what makes sockeye sockeye, and a big part of its appeal on the plate.

What it doesn’t tell you

Color isn’t the whole story. It doesn’t tell you a fish’s texture, fat, freshness, or how it was handled — those are their own story. It doesn’t even prove a fish is wild: farmed salmon get the same pigments added to their feed. And two sockeye can look alike but eat differently depending on the fish and the run. Most of all, rough handling or a broken cold chain can dull appearance and cost texture and shelf life no matter how red the fish started. Color gets it noticed; handling is what protects it.

That’s the part we own: taking a naturally beautiful fish and not wasting it between the boat and the box.

Part of our look at how we handle fish.

Want Cook Inlet reds handled right? Source from us →