Rainbow Trout vs Smallmouth Bass
Oncorhynchus mykiss compared with Micropterus dolomieu
Taxonomy & Classification
| Attribute | Rainbow Trout | Smallmouth Bass |
|---|---|---|
| Scientific Name | Oncorhynchus mykiss | Micropterus dolomieu |
| Order | Salmoniformes | Centrarchiformes |
| Family | Salmonidae | Centrarchidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| Attribute | Rainbow Trout | Smallmouth Bass |
|---|---|---|
| Max Length | 120.0 cm | 69.0 cm |
| Max Weight | 25.4 kg | 5.4 kg |
| Color | 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. | Bronze-green to golden-brown body with 13–15 irregular dark brown vertical bars or blotches on the flanks; red-orange eyes; belly pale cream; dark brown radiating lines from eye to snout. |
Habitat & Environment
| Attribute | Rainbow Trout | Smallmouth Bass |
|---|---|---|
| Water Type | Freshwater & Saltwater | Freshwater |
| Depth Range | 0-200m | 1-7m |
| Geographic Range | 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 … | Native to the St. Lawrence River and Great Lakes drainage south through the Ohio River system and upper Mississippi basin. Prefers clear, cool, rocky streams … |
| Habitat | 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. … | Clear, cool rivers and streams of eastern North America from the Great Lakes to Tennessee. Prefers rocky and gravelly substrate in moderate to fast current. … |
Fishing Information
| Attribute | Rainbow Trout | Smallmouth Bass |
|---|---|---|
| Game Fish | Yes | Yes |
| Fight Rating | 6/10 | 8/10 |
| World Record | — | — |
| Mercury Level | — | — |
Cuisine & Edibility
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.
Smallmouth Bass
Clean, white, mildly flavored flesh with low fat; considered slightly firmer and more flavorful than largemouth bass. Excellent pan-fried or baked; a respected table fish in the Great Lakes region.
Species Overview
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.
Smallmouth Bass
The smallmouth bass is widely considered the best-fighting freshwater fish pound-for-pound. Found in clear, rocky streams and lakes, it is more athletic and acrobatic than its larger cousin, the largemouth bass.