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Thymallus flavomaculatus

Thymallus flavomaculatus

Thymallus flavomaculatus

Thymallus flavomaculatus, or the Yellow-spotted Grayling, is a highly regarded game fish prized for its acrobatic leaps and strong fighting ability. Found in cold, clear waters, it is a challenging catch for anglers. Its flavorful flesh makes it a sought-after catch for both sport and table fare.

Fight
Taste

Basic Information on Thymallus flavomaculatus

Max Size

40 cm (15.7 inches)

Habitat

Cold, clear rivers and streams, often near structure like boulders or weed beds

Best Season

Spring to early summer, when water levels are moderate and temperatures are rising

Best Time

Early morning to late afternoon, when the sun is not too intense

Fishing Tips for Thymallus flavomaculatus

  • Use light tackle and small flies or lures that imitate natural prey like insects or small fish
  • Look for areas with current breaks, such as behind boulders or near weed beds, where grayling tend to congregate
  • Pay attention to the water temperature, as grayling are more active in cooler waters
  • Be prepared for a strong fight, as Thymallus flavomaculatus are known for their acrobatic leaps and resistance

Top Fishing Locations for Thymallus flavomaculatus

River Uur River

Mongolia

intermediate80% Very Common

Known for its pristine waters and abundant Thymallus flavomaculatus population.

Best: May-September

Lake Khovsgol

Mongolia

expert70% Very Common

A deep, crystal-clear lake with a healthy population of Thymallus flavomaculatus.

Best: June-October

Eg River

Mongolia

beginner85% Very Common

A popular destination for Thymallus flavomaculatus fishing, with numerous access points.

Best: April-September

Delgermoron River

Mongolia

expert75% Very Common

A remote, wilderness river with a high concentration of Thymallus flavomaculatus.

Best: May-October

Selenge River

Mongolia/Russia

intermediate65% Common

A major river with a significant Thymallus flavomaculatus population, forming part of the border between Mongolia and Russia.

Best: June-September

Ider River

Mongolia

beginner80% Very Common

Known for its scenic beauty and Thymallus flavomaculatus fishing opportunities.

Best: April-October

Recommended Fishing Equipment for Thymallus flavomaculatus

Recommended Equipment

RodLight to medium action spinning or fly rod, 8-9 feet in length
Line4-6 lb test line or a weight-forward fly line
Lure TypeSmall spinners, spoons, or soft plastics, or dry flies and nymphs
TechniqueDrift fishing, dry fly fishing, or nymphing, with a focus on presenting the lure or fly naturally in the current

Best bait: Small insects, nymphs, or streamers, or small minnows and leeches