Brown Trout vs Rainbow Trout

Salmo trutta との比較 Oncorhynchus mykiss

Taxonomy & Classification

属性	Brown Trout	Rainbow Trout
学名	Salmo trutta	Oncorhynchus mykiss
目	Salmoniformes	Salmoniformes
科	Salmonidae	Salmonidae
Conservation Status	Least Concern	Least Concern

Physical Traits

属性	Brown Trout	Rainbow Trout
最大体長	140.0 cm	120.0 cm
最大体重	20.0 kg	25.4 kg
体色	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.	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

属性	Brown Trout	Rainbow Trout
水質タイプ	Freshwater & Saltwater	Freshwater & Saltwater
生息水深	0-28m	0-200m
分布域	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 cold rivers and coastal waters of western North America from Alaska to northern Mexico. Anadromous steelhead run migrate between Pacific coastal rivers and …
生息地	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 …	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. …

釣り情報

属性	Brown Trout	Rainbow Trout
ゲームフィッシュ	はい	はい
ファイト評価	6/10	6/10
世界記録	—	—
水銀含有量	—	—

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.

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

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.

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.