Global Fishing League

Sockeye Salmon

Sockeye Salmon (Oncorhynchus nerka) is a freshwater and saltwater species. The first thing to check: no distinct dark spots on the back or the tail — the quickest separation from every other Pacific salmon. The look-alike to rule out is Coho Salmon: coho carry small black spots on the back and on the upper lobe of the tail; sockeye carry none.

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Sockeye SalmonOncorhynchus nerka
Sockeye Salmon (Oncorhynchus nerka), illustrated in profile with the head facing left.
Illustrated appearance · Colours and markings vary · Not to scaleUse the identification checks below alongside the illustration.
Sockeye Salmon at a glance
Scientific nameOncorhynchus nerka
Also calledred salmon, blueback, kokanee when landlocked
WaterFreshwater and saltwater
GroupSalmon
TemperatureRuns and holds best between 46 and 58 °F.

How to identify a Sockeye Salmon

  • No distinct dark spots on the back or the tail — the quickest separation from every other Pacific salmon.
  • A large, prominent gold-glassy eye on a slim, streamlined body.
  • Spawning fish turn brilliant crimson with a green head, and males develop a pronounced humped back and hooked jaw.

If you would rather not work through a key on a wet deck, photograph the fish and let the app name it — you get the common and the scientific name back, and the record is filed before you release.

Fish it is mistaken for

Telling Sockeye Salmon apart from its look-alikes
SpeciesHow to tell them apart
Coho SalmonCoho carry small black spots on the back and on the upper lobe of the tail; sockeye carry none.
Chum SalmonChum are also unspotted, but show purple-green calico bars when spawning and white tips on the anal and pelvic fins.

Read the full entry for Coho Salmon and Chum Salmon.

Where it lives

Pacific coast rivers from the Columbia to Alaska, always tied to a lake system, since the young rear in a lake before going to sea. Landlocked populations are kokanee.

Temperature

Runs and holds best between 46 and 58 °F.

The conditions that matter

Sockeye feed on plankton at sea rather than baitfish, which is why they are famously reluctant to take a lure in the river. The fishery is about intercepting moving fish, so river level and water temperature — which govern when a run pushes through — matter more than anything happening at the surface.

Global Fishing League records 18 weather and water readings against every catch automatically — tide stage, barometric pressure, water temperature, salinity, dissolved oxygen, chlorophyll, swell, current, moon phase and more, taken at your GPS position at the moment you log the fish. Over a season that turns a hunch about sockeye salmon into a pattern you can read.

See every reading recorded with a catch, or the guides to what each reading means.

Size limits, bag limits and seasons

Size limits, bag limits, slot limits and seasons are set by your state wildlife agency — and for many offshore and migratory species by federal regulators — and on many waters they differ from the statewide rule. They also change between seasons. Check the current regulations for the exact water you are fishing before you keep a fish — we do not republish limits here, because a number that is a season out of date is worse than no number.

What the app does do is make your side of it accurate: every catch carries a length measured from the photograph, a GPS position and a timestamp, exportable if you ever need to show your work for a tournament or a record claim. It is also what a Global Fishing League entry is built from — a record that verifies itself, without publishing where you caught the fish.

Related species


All 124 identification guides

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