Brown Trout vs Common Goldfish

Salmo trutta との比較 Carassius auratus

Taxonomy & Classification

属性	Brown Trout	Common Goldfish
学名	Salmo trutta	Carassius auratus
目	Salmoniformes	Cypriniformes
科	Salmonidae	Cyprinidae
Conservation Status	Least Concern	Least Concern

Physical Traits

属性	Brown Trout	Common Goldfish
最大体長	140.0 cm	45.0 cm
最大体重	20.0 kg	2.0 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.	Brilliant orange to deep golden-yellow body with a metallic sheen across all scales; domesticated forms range from white, yellow, and red to black and calico bicolor combinations.

Habitat & Environment

属性	Brown Trout	Common Goldfish
水質タイプ	Freshwater & Saltwater	Brackish
生息水深	0-28m	0-20m
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 …	Originates from rivers and lakes of eastern China and possibly Korea; domesticated for over 1,000 years. Wild relatives inhabit slow rivers, ponds, and slightly brackish …
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 …	Ponds, lakes, slow rivers across East Asia; introduced worldwide. Tolerates wide temperature range (10-30°C) and turbid water. Prefers shallow, vegetated areas with soft substrates. Domestic …

Aquarium Suitability

属性	Brown Trout	Common Goldfish
最小水槽サイズ	—	150 L
水温	—	10-24
pH 範囲	—	6.0-8.0
飼育難易度	—	Easy
気性	—	Peaceful

釣り情報

属性	Brown Trout	Common Goldfish
ゲームフィッシュ	はい	はい
ファイト評価	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.

Common Goldfish

Not consumed — a classic ornamental aquarium and pond fish; its vivid color and hardy nature make it one of the world's most popular decorative species.

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.

Common Goldfish

The goldfish was one of the first fish to be domesticated, with selective breeding in China dating back over 1,000 years. Despite common misconceptions, goldfish can live 10-15 years with proper care and require far more space than a small bowl.