Skip to main content

Arctic Grayling

Arctic Grayling

Arctic Grayling are distinctive members of the salmon family, easily recognized by their large, sail-like dorsal fin adorned with colorful spots and rows ranging from orange to bright green.

In Oregon, Arctic Grayling are not native and have been introduced to various watersheds and mountain drainage streams and lakes.

Scientific Name: Thymallus arcticus

Physical Characteristics:
  • These beautiful fish display remarkable color variation depending on location - their bodies can be silver, black, gold, or blue with a distinctive gold streak lining the bottom and black freckles distributed from head to tail.
  • Males typically display brighter colors (green, blue, and orange) compared to females.

What to know

Habitat Distribution

  • They thrive in medium to large lakes and rivers at higher elevations.
  • The species has been introduced in Oregon along with other western states including California, Nevada, Arizona, Utah, Colorado, Wyoming, and Washington.

Specific Spots

  • Target deeper pools, eddies, current edges, undercut banks, and areas around submerged structures.

Arctic Grayling FAQ

Answers from onWater's species guide.

What are the best lures and bait for Arctic Grayling in Oregon?

Effective lures include small Rooster Tails, Mepps spinners (size 00 to 1), and Panther Martin single-blade lures in silver and gold.

What flies work for Arctic Grayling in Oregon?

Effective dry fly patterns include the Adams, Elk Hair Caddis (in olive, green, or red), Red Humpy, Royal Coachman, Royal Wulff, Blue Upright, Red Tail Black Gnat, Mosquito flies, Black Gnat, and Bumblebee patterns in hook sizes #8 through #14.

When is the best time to fish for Arctic Grayling in Oregon?

The optimal fishing season for Arctic Grayling in Oregon runs from June through September, with peak feeding activity occurring from August to September when fish remain in shallow waters.

How do you catch Arctic Grayling in Oregon?

Target clean, cold mountain streams with gentle to moderate currents. For subsurface fishing, use productive nymph patterns.

What do Arctic Grayling eat?

Arctic Grayling are opportunistic feeders with a diet consisting primarily of aquatic and terrestrial insects, especially mayflies, stone flies, and caddis flies taken at or near the surface. They also consume zooplankton, fish e.g.gs, small fish, lemmings, and other crustaceans.

Fish smarter with real-time insights

Whether you're en route and conditions shift or you're looking for the best spot based on current flows, we enable you to make informed decisions on the fly.

See it in the app

Most maps show you water.
onWater shows you Arctic Grayling.

  1. 01 · Species map filter

    Map every Arctic Grayling water

    Pick Arctic Grayling and the map zeroes in on the waters they call home. No more guessing which lake holds them.

  2. 02 · Waterbody species

    Tap any water. See what lives there.

    Species, behavior and seasonal patterns for every lake, river and pond, before you leave the driveway.

  3. 03 · Angler Intelligence

    Ask how to catch Arctic Grayling

    Tactics, gear and timing from onWater's AI fishing guide, tuned to the species and the water you're on.

Stop guessing where Arctic Grayling are.

Open the map, filter by Arctic Grayling, and head to water that holds them. Download onWater and plan your next trip in minutes.

  • Species map filter
  • Angler Intelligence
  • Fishing journal
Try onWater+ for free

Explore other species

Trout, bass, salmon, panfish and everything in between. Each guide unpacks the behavior, seasons, and tactics that put fish in the net.

No species information available.

Oregon licenses and regulations

Explore nearby waters

Smarter Fishing Starts in the App.

onWater Fish gives you everything you need to plan smarter, fish better, and own every trip from first cast to last.