Wels Catfish

Scientific Name: Silurus glanis
UK Status: Introduced / Non-native (established in some rivers & stillwaters)

Quick Facts

• Typical Size: 10–40 lb in UK waters

• Specimen Size: 100+ lb possible

• Best Season: Summer to early autumn

• Habitat: Large rivers, reservoirs, deep lakes

Identification

Wels Catfish are long, scaleless fish with a broad, flat head and wide mouth. They have prominent barbels around the mouth and smooth, dark grey to olive skin.

They are easily distinguishable from other coarse species by their sheer size, long dorsal and anal fins, and snake-like body.

Habitat & Behaviour

Wels Catfish prefer deep, slow-moving water with plenty of cover such as submerged trees, weed beds, or structures.

They are mostly nocturnal hunters, feeding on fish, amphibians, and sometimes small birds or mammals. Large catfish are ambush predators and very strong fighters when hooked.

Best Baits & Methods

Baits:

• Live or dead fish

• Boilies or pellets (large carp-style baits)

• Prepared catfish baits

Methods:

• Bottom fishing / ledgering

• Long rods with strong tackle

• Night fishing is common due to nocturnal feeding

Tackle Guide

• Rod: Heavy-duty river or lake rod

• Line: 30–50 lb mainline depending on size

• Hooks: Large, strong hooks (sizes 2–6 depending on bait)

Anglers must be prepared for long runs and heavy fighting.

Notes

Wels Catfish are protected from illegal transfer and introduction in the UK. Always check local fishery rules. Catch-and-release is recommended for large specimens.