Brook Trout vs Rainbow Trout
Salvelinus fontinalis compared with Oncorhynchus mykiss
Taxonomy & Classification
| Attribute | Brook Trout | Rainbow Trout |
|---|---|---|
| Scientific Name | Salvelinus fontinalis | Oncorhynchus mykiss |
| Order | Salmoniformes | Salmoniformes |
| Family | Salmonidae | Salmonidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| Attribute | Brook Trout | Rainbow Trout |
|---|---|---|
| Max Length | 86.0 cm | 120.0 cm |
| Max Weight | 6.6 kg | 25.4 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. | Steel-blue to olive-green back with a vivid iridescent pink-to-crimson lateral stripe, flanks densely speckled with small black spots across body and fins. |
Habitat & Environment
| Attribute | Brook Trout | Rainbow Trout |
|---|---|---|
| Water Type | Freshwater & Saltwater | Freshwater & Saltwater |
| Depth Range | 15-27m | 0-200m |
| 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 cold rivers and coastal waters of western North America from Alaska to northern Mexico. Anadromous steelhead run migrate between Pacific coastal rivers and … |
| 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. … | Native to cool, clear rivers and streams of western North America; introduced worldwide. Prefers cold, oxygen-rich water (10-18°C) over gravel and cobble at 0-500m elevation. … |
Fishing Information
| Attribute | Brook Trout | Rainbow Trout |
|---|---|---|
| Game Fish | Yes | Yes |
| Fight Rating | 5/10 | 6/10 |
| 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.
Rainbow Trout
Delicate, mildly sweet flesh ranging from white to pink; low to moderate fat. Excellent pan-fried with butter, baked, or smoked; a top-tier freshwater table fish.
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.
Rainbow Trout
The rainbow trout is native to cold-water tributaries of the Pacific Ocean in Asia and North America. Widely introduced worldwide, it is prized by anglers for its acrobatic leaps and beautiful coloration.