Species
Wels catfish
Europe's largest purely freshwater fish: a scaleless night hunter with long barbels and enormous strength on the line.
Silurus glanis

Photo: HalbsHännile, Wikimedia Commons, CC BY-SA 4.0, adjusted to 3:2
- Spawning
- May to July in Central Europe, from around 17 to 18 °C water temperature (general guide, varies by region)
- German Red List
- not threatened
- Typical method
- Bottom fishing with a tethered rig (Abspannmontage)
- Top bait
- Bait fish
How to recognise it
- Broad, flat head with two long barbels on the upper jaw
- Scaleless, slimy skin with dark marbling
- Very small dorsal fin, extremely long anal fin
How to catch it
Methods: Bottom fishing with a tethered rig (Abspannmontage), Sub-float rig (U-Pose), Calling with a clonk (Wallerholz)
Baits: Bait fish, Bunch of lobworms, Large soft plastic shad
At night and at dusk from spring to autumn; after spawning in August it feeds especially heavily.
Habitat and food
Large, warm rivers and lakes with deep areas. During the day it rests on the bottom, under overhanging banks or among roots.
An opportunistic predator: mainly fish, plus crustaceans, amphibians, young waterfowl and small mammals.
Size and age
Usually 1 to 1.5 m and around 10 to 50 kg (Wikipedia). Documented rod catches according to Wikipedia: 2.85 m and 144 kg (Po) and 2.92 m and 130 kg (Poland). Highest documented age 80 years in the wild (Wikipedia).
Protection and rules
Wels catfish: closed season and minimum size by German state
These rules apply in Germany only. Fishing in the UK, the USA or elsewhere? The local rules apply there (link below).
- Berlinminimum size 75 cm
- Mecklenburg-Western Pomeraniaminimum size 70 cm · closed season 01.05. to 30.06.
- Lower Saxonyminimum size 50 cm
- Schleswig-Holsteinminimum size 70 cm (coast)
- Thuringiaminimum size 50 cm
From the official state fisheries regulations, retrieved 2026-10-11. All rules by state
In Germany, closed seasons and minimum sizes are set by each state and can be stricter for single waters. All German rules by state, with the legal source. Outside Germany, the local rules apply: licence and agency by country.
In the kitchen
White, mild flesh with few bones; eaten fresh and pan-fried, smoked or salted.
Sources (3)
- de.wikipedia.org/wiki/Europäischer_Wels
- fishbase.se/summary/Silurus-glanis.html
- rote-liste-zentrum.de/detail/pdf/91306
Last checked 2026-10-18. Found a mistake? Write to [email protected].
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