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Northern Pikeminnow


Northern Pikeminnow

Northern Pikeminnow are large, native predatory fish found throughout Oregon's Columbia River basin, including the Willamette and Deschutes Rivers.

They're highly mobile piscivorous fish occupying diverse habitats from deep river channels to slow water sloughs, river shorelines, and tributaries.

Scientific Name: Ptychocheilus oregonensis


Physical Characteristics:
  • These silver-sided fish have prominent black dots at the base of deeply forked caudal fins, large terminal mouths extending past their eyes, and can live up to 20 years, reaching 12-24 inches as adults.

What to know

Habitat Distribution

  • Found throughout Oregon's Columbia River basin, including the Willamette and Deschutes Rivers.
  • They occupy diverse habitats from deep river channels to slow water sloughs, river shorelines, and tributaries.

Key Locations

  • Northern Pikeminnow are particularly abundant in Oregon's Prineville Reservoir, where anglers report increased catches, and they're present in various Columbia River system waters throughout the state.

Specific Spots

  • Focus on rocky areas with fast currents near dams, islands, stream mouths, points, eddies, pilings, and river ledges or bars, typically in 7-25 feet of water.

Northern Pikeminnow FAQ

Answers from onWater's species guide.

What are the best lures and bait for Northern Pikeminnow in Oregon?

For bait fishing, use worms (most common), chicken liver (kept cold and fresh), cut-bait strips, fish entrails, fried chicken skin, salmon e.g.gs, crayfish tails, or shrimp. For lures, choose lipless crank baits with rattles or diving crank baits that reach bottom, preferring colors with blue, green, or black backs.

When is the best time to fish for Northern Pikeminnow in Oregon?

Prime fishing season runs May through September, with peak success in late June and again in late September-early October as water temperatures increase.

How do you catch Northern Pikeminnow in Oregon?

Employ three primary techniques: plunking with just enough weight to hold position against current, back-bouncing by lifting bait 1-2 feet and letting it drift with current, or drift-fishing using steelhead techniques. When trolling, use walleye techniques at 2-3 mph downstream over bars, ridges, and island ledges.

What do Northern Pikeminnow eat?

Their diet varies dramatically with age - juveniles feed extensively on macroinvertebrates and small fish, while adults become aggressive predators consuming salmonids, sculpins, perch, suckers, crayfish, and freshwater clams.

Where do Northern Pikeminnow live in Oregon?

Found throughout Oregon's Columbia River basin, including the Willamette and Deschutes Rivers. They occupy diverse habitats from deep river channels to slow water sloughs, river shorelines, and tributaries.

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