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Chinook Salmon

Chinook Salmon

Chinook Salmon in South Dakota are found exclusively in Lake Oahe and the Oahe Tailwaters, where the cold, deep water habitat supports this introduced species.

Scientific Name: Oncorhynchus tshawytscha

Physical Characteristics:
  • These salmon have streamlined, torpedo-shaped bodies with blue-green backs fading to silver sides, black gums, sharp teeth, and dark spots restricted mostly to the head, back, dorsal and tail fins.
  • Breeding adults develop a dark reddish-brown coloration.

What to know

Habitat Distribution

  • Found exclusively in Lake Oahe and the Oahe Tailwaters, where the cold, deep water habitat supports this introduced species.

Key Locations

  • Lake Oahe and the Oahe Tailwaters.
  • The most productive area is from the face of Oahe Dam northward to the Cheyenne River.
  • Whitlock Bay area around Gettysburg for fall spawning.

Specific Spots

  • Target depths of 50 to over 100 feet during spring and summer.
  • During fall, salmon move into shallows for spawning.

Chinook Salmon FAQ

Answers from onWater's species guide.

What are the best lures and bait for Chinook Salmon in South Dakota?

Use flashers, squids, spoons, deep diving plugs and crankbaits, with chartreuse and silver being the most effective colors since they imitate rainbow smelt, the salmon's primary prey. During fall, use spoons and crankbaits near Whitlock Bay area around Gettysburg.

When is the best time to fish for Chinook Salmon in South Dakota?

Prime time for Chinook Salmon fishing in South Dakota is during spring and summer, with July and August being peak feeding periods. During fall, salmon move into shallows for spawning. Avoid fishing during spawning season (September-October).

How do you catch Chinook Salmon in South Dakota?

Target depths of 50 to over 100 feet during spring and summer using downriggers or side planers. During fall, salmon move into shallows for spawning and can be caught by casting from shore.

What do Chinook Salmon eat?

In South Dakota, Chinook primarily feed on rainbow smelt and lake herring - cold-water, high-energy, high-fat prey fish that help them grow rapidly.

Where do Chinook Salmon live in South Dakota?

Found exclusively in Lake Oahe and the Oahe Tailwaters, where the cold, deep water habitat supports this introduced species.

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