Introduction
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.
Statistics
| 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 |
Distribution
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.
Habitats
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.
Culinary
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