Brook Trout vs Wels Catfish
Salvelinus fontinalis compared with Silurus glanis
Taxonomy & Classification
| Attribute | Brook Trout | Wels Catfish |
|---|---|---|
| Scientific Name | Salvelinus fontinalis | Silurus glanis |
| Order | Salmoniformes | Siluriformes |
| Family | Salmonidae | Siluridae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| Attribute | Brook Trout | Wels Catfish |
|---|---|---|
| Max Length | 86.0 cm | 500.0 cm |
| Max Weight | 6.6 kg | 300.0 kg |
| Color | Olive-green back with distinctive worm-like yellowish vermiculations; flanks dotted with red spots ringed by blue halos; lower fins are orange-red with bold black and white leading edges. | 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 | Brook Trout | Wels Catfish |
|---|---|---|
| Water Type | Freshwater & Saltwater | Brackish |
| Depth Range | 15-27m | 0-30m |
| Geographic Range | Native to cold Appalachian streams and boreal rivers of eastern Canada and the northeastern United States. Anadromous sea-run populations occur along the Atlantic coast; introduced … | 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 | Clear, cold mountain streams and lakes of eastern North America and the Great Lakes basin. Prefers cold, highly oxygenated water (8-18°C) over gravel and cobble. … | 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 | Brook Trout | Wels Catfish |
|---|---|---|
| Game Fish | Yes | Yes |
| Fight Rating | 5/10 | 9/10 |
| World Record | — | — |
| Mercury Level | — | — |
Cuisine & Edibility
Brook Trout
Delicate, sweet flesh with a nutty, mild flavor; low fat and fine texture. One of the most prized freshwater eating fish in North America — best pan-fried simply in butter with herbs.
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
Brook Trout
The brook trout is actually a char, native to cold, clean streams of eastern North America. Its olive-green body with distinctive worm-like markings (vermiculations) and red spots with blue halos make it one of the most beautiful freshwater 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.