The ⁢Grayling (Thymallus‍ thymallus) ​is a species of freshwater fish, belonging to the family Salmonidae, the ⁣same family as​ salmon and trout.

Conservation ⁢Status

Graylings are currently listed as ‘Least Concern’ ⁤on the​ IUCN Red List. ⁤Various conservation efforts are underway to ‍ensure their ​longevity, including habitat ‌restoration‌ and restricting certain fishing practices.


Characteristic Average Range
Length 30-40 cm 20-60 cm
Weight 0.5-2 kg 0.3-3 kg
Lifespan 10-15 years 5-20 years


Grayling fish are ⁢native to northern Europe ‌and​ Asia. They have⁤ also ⁤been introduced into several other countries, including the United States and Canada. Their migration patterns typically involve moving from deeper waters in ⁤winter to shallower waters in the summer for spawning.


Grayling prefer cooler freshwater ​environments, often found in ⁢river ​systems, lakes, and reservoirs. They typically occupy a depth range between 0.5 and 3 meters and thrive in ​temperatures ranging from 0 ⁤to 20°C.

When‍ and ⁣Where to See

Grayling are most active during spring and summer, making these the ideal seasons for viewing. They are primarily diurnal, meaning they are most active during daylight‍ hours.

Best Fishing Locations

  • River Test, England
  • River Avon, England
  • River Wye, ‌Wales
  • River Dee, Wales
  • Lozoya River, Spain
  • River Tormes, Spain
  • River‍ Gaula, Norway
  • River Alta, Norway
  • River Teno, Finland
  • Kenai⁤ River, Alaska,‍ USA

To find ⁤Graylings in unknown‌ locations, focus on cooler, flowing waters with gravel or ⁤sandy riverbeds.

How to Catch

Grayling are ‍typically caught using fly fishing techniques,⁣ with small flies being their preferred lure. The optimal fishing times​ are during spring and summer.

Identification Guide

Grayling fish have‌ a unique physical appearance, featuring a tall, sail-like dorsal ‍fin speckled with⁣ red or green, and silver or bluish-gray bodies.⁢ They can be differentiated from similar species by their​ large, sail-like dorsal fin and their small ​mouth ⁢that does not extend past the eye.


Grayling is considered a delicacy in many parts ⁤of Europe and Asia. Its taste ‍is often described as delicate and slightly sweet. The fish‍ can be cooked in a variety of‍ ways, including baking, grilling, and smoking.

Additional Information

Grayling fish⁤ are opportunist feeders, consuming a diet ⁤primarily ⁣made​ up of insects, crustaceans, and small ‍fish. They ​are⁤ preyed upon⁣ by larger fish, birds, and mammals. Their unique appearance⁤ and ⁢sporting qualities have‌ led to ​their inclusion in ‍folklore and popular literature. An example of this cultural significance includes being called “The Lady of ⁤the Stream” by ⁢fly ⁣fishermen.

References and Further Reading

  • US ​Fish ⁣& Wildlife Service
  • IUCN ⁢Red ‍List
  • FishBase