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Arctic Grayling

Arctic Grayling

Arctic grayling are cold-water salmonids that were historically abundant in Michigan's northern Lower Peninsula rivers but were considered extirpated by 1936.

Extensive reintroduction efforts began in 2016 with the Michigan Arctic Grayling Initiative involving over 50 partners including the Michigan DNR and Little River Band of Ottawa Indians.

Scientific Name: Thymallus arcticus

Physical Characteristics:
  • Distinguished by their large, sail-like dorsal fin with iridescent colors and small mouth with fine teeth.

What to know

Habitat Distribution

  • They prefer clear, cold streams and lakes with minimal turbidity and rocky substrates.

Key Locations

  • Recent stocking has occurred in the Manistee River, Maple River, and Boardman-Ottaway River systems.
  • Some populations available in Upper Peninsula lakes.
  • Historically found in northern Lower Peninsula rivers including the Manistee and Au Sable systems, as well as the Otter River in the Upper Peninsula.

Specific Spots

  • Focus on deeper pools and eddies where mature fish hold, especially areas where shallow water transitions to deeper holes.
  • Fish the leading edge of eddies where fish suspend in the current.

Arctic Grayling FAQ

Answers from onWater's species guide.

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

Small spinners work exceptionally well, particularly 1/8 ounce Rooster Tails in pumpkin seed gold, glitter flame, and fluorescent red, as well as Mepps size 0-00 spinners and Panther Martin single blade lures. Ultralight jigs like 1/64 ounce Trout Magnets in gold, pink, white, and black are highly productive.

What flies work for Arctic Grayling in Michigan?

Dr.y flies being extremely effective - proven patterns include elk hair caddis, Adams, mosquito flies, red humpy, prince nymphs, and hare's ear patterns in sizes 8-16.

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

Summer months provide the best action when they feed voraciously on surface insects. Avoid fishing during spawning periods in spring (late April through May).

How do you catch Arctic Grayling in Michigan?

Catch-and-release only fishing. You can strip nymphs like streamers with success. Use barbless hooks for easy release. Practice careful catch-and-release techniques.

What do Arctic Grayling eat?

They are opportunistic feeders consuming drifting aquatic insects including mayflies, stoneflies, caddisflies, and black flies, as well as zooplankton (juveniles), terrestrial insects, fish e.g.gs, and occasionally small fish. Adults are highly aggressive and will readily rise to dry flies.

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