Freshwater
Grayling
Thymallus thymallus
- Peak season
- Fall and Winter (October-March)
- Length range
- 20–55 cm
- Weight range
- 0.2–3 kg
- Typical depth
- 0–5 m
Habitat
Clean, fast-flowing rivers and streams with gravel bottoms. Requires well-oxygenated water; indicator of pristine conditions.
Behavior
Elegant fish with a large dorsal fin that rises to surface insects. Feeds on nymphs, duns, and small crustaceans in current.
Best techniques
- Fly fishing with nymphs (Czech nymphing)
- Trotting with maggots
- Dry fly fishing
- Micro-nymph under indicator
