Brown Trout vs Wels Catfish
Salmo trutta compared with Silurus glanis
Taxonomy & Classification
| Attribute | Brown Trout | Wels Catfish |
|---|---|---|
| Scientific Name | Salmo trutta | Silurus glanis |
| Order | Salmoniformes | Siluriformes |
| Family | Salmonidae | Siluridae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| Attribute | Brown Trout | Wels Catfish |
|---|---|---|
| Max Length | 140.0 cm | 500.0 cm |
| Max Weight | 20.0 kg | 300.0 kg |
| Color | Golden-brown to amber flanks scattered with large black and orange-red spots, each often encircled by a pale halo; belly golden-yellow; adipose fin is orange-tinged; sea-run form is silvery. | Dark olive-green to slate-gray back with irregular mottled marbling of darker blotches; flanks grade to olive-yellow; scaleless smooth skin; belly pale cream to yellowish-white; head broad and flat. |
Habitat & Environment
| Attribute | Brown Trout | Wels Catfish |
|---|---|---|
| Water Type | Freshwater & Saltwater | Brackish |
| Depth Range | 0-28m | 0-30m |
| Geographic Range | Native to Europe and western Asia from Iceland and the British Isles east through Scandinavia, the Alps, and the Caucasus. Anadromous sea trout migrate between … | Native to large river systems and lakes of central and eastern Europe from the Rhine basin east to the Caspian and Aral sea drainages. Introduced … |
| Habitat | Rivers, streams, and lakes across Europe, western Asia, and North Africa; widely introduced. Inhabits clear, cold to temperate rivers (8-18°C) over gravel and rock. Anadromous … | Large rivers, lakes, and reservoirs across Europe and Asia (Volga, Danube, Rhine, Ob). Inhabits deep, slow-moving freshwater with soft substrates. Tolerates turbid water (15-25°C). Highly … |
Fishing Information
| Attribute | Brown Trout | Wels Catfish |
|---|---|---|
| Game Fish | Yes | Yes |
| Fight Rating | 6/10 | 9/10 |
| World Record | — | — |
| Mercury Level | — | — |
Cuisine & Edibility
Brown Trout
Firm, flavorful flesh ranging from cream to pink; moderately fatty with a richer taste than rainbow trout. Excellent pan-fried, baked, or smoked; highly regarded as a European table fish.
Wels Catfish
Fatty, soft flesh with a mild, slightly sweet flavor; quality improves from cold, clean water fish. Popular in Central European cuisines — commonly smoked, fried, or braised with vegetables.
Species Overview
Brown Trout
The brown trout is native to European rivers and has been introduced worldwide. Renowned for its wariness and intelligence, it is the ultimate quarry for fly fishers. Larger specimens become nocturnal, feeding primarily on smaller fish.
Wels Catfish
The wels catfish is the largest freshwater fish in Europe, capable of exceeding 5 meters. Found in large rivers and lakes across the continent, it has been documented beaching itself to catch pigeons. It can live over 80 years.