
Arctic Grayling
Thymallus arcticus
Also known as
Sailfish of the North, Arctic Trout, Montana Grayling
IUCN status
Least ConcernAbout the Arctic Grayling
The Arctic Grayling is instantly recognizable by its spectacularly large, sail-like dorsal fin, which is often adorned with rows of iridescent spots. Its slender body shimmers with shades of purple, blue, and silver, sometimes featuring dark spots along its sides. A small, upward-turned mouth and a distinctive black spot on the chin complete the elegant profile of this cold-water beauty. This striking appearance makes it a prized catch for its aesthetic appeal alone.
Source: FishBase & iNaturalist
Habitat
Arctic Grayling thrive in the pristine, icy waters of northern rivers and lakes, preferring clear, cold, and well-oxygenated environments. They are often found in gravel-bottomed streams and the deeper, cooler sections of larger lakes, seeking out areas with good current or spring-fed inputs. Their presence is a strong indicator of excellent water quality.
Distribution
Naturally, Arctic Grayling are widespread across the Arctic and Pacific drainages of Canada, Alaska, and Siberia, extending into the upper Missouri River basin in Montana. Introduced populations can also be found in various cold-water lakes in the western United States, including Arizona's White Mountains and Wyoming's Teton Range.
Behaviour
These opportunistic feeders primarily consume aquatic insects, insect larvae, and sometimes small crustaceans or fish eggs. Arctic Grayling are known for their willingness to rise to the surface to take dry flies, making them a favorite target for fly anglers. While generally resident, they may undertake short migrations to spawning grounds in spring, typically in shallow, gravelly areas of rivers. They are active throughout the day, often congregating in schools in slower currents or along seams.
Edibility
★★★★★
Arctic Grayling offer a delicate, flaky white flesh with a mild flavor, making them a good option for the table. While tasty, many anglers choose to release these beautiful fish to support conservation efforts and maintain healthy populations.
Lure suggestion
Fly fishing is exceptionally effective for Arctic Grayling, with dry flies such as caddis, mayflies, and terrestrials often producing exciting surface strikes. Nymphs and small streamers fished subsurface are also highly productive. For spin anglers, small inline spinners (e.g., Mepps, Panther Martin) and tiny spoons or micro jigs retrieved slowly are excellent choices, always favoring light line and tackle.
Arctic Grayling Regulations
Select a state to see size limits, bag limits, and seasons for Arctic Grayling.
Select a state
Always confirm with the official state agency before keeping a fish.
Biggest Arctic Grayling
No catches logged yet for Arctic Grayling.
Be the first, download CatchVault and log your catch!
Tips & Tactics
Summer Flounder from the New Jersey Surf: A Complete Guide
How to catch summer flounder (fluke) from the New Jersey beach — when and where to go, the best rigs, baits, and retrieves, and the gear that gets it done.
How to Jig Giant Plastic Eels for 40"+ Striped Bass
The complete guide to fishing oversized soft plastic eels for trophy striped bass — gear, technique, locations, and timing.
My Review of the Hobie Fleet: What's Best for Saltwater Kayak Fishing
A hands-on review of every Hobie MirageDrive fishing kayak and which model makes the most sense for inshore and open-water saltwater fishing.
Related Species
Where to Catch Arctic Grayling
States where Arctic Grayling is found, based on CatchVault's waterbody commonality data.
Think You Can Top the Leaderboard?
CatchVault is available on iOS. Download the app, log your Arctic Grayling catch, and see where you rank.







