Poisson rouge(=Cyprin doré) vs Truite arc-en-ciel
Carassius auratus comparé à Oncorhynchus mykiss
Taxonomy & Classification
| Attribut | Poisson rouge(=Cyprin doré) | Truite arc-en-ciel |
|---|---|---|
| Nom scientifique | Carassius auratus | Oncorhynchus mykiss |
| Ordre | Cypriniformes | Salmoniformes |
| Famille | Cyprinidae | Salmonidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| Attribut | Poisson rouge(=Cyprin doré) | Truite arc-en-ciel |
|---|---|---|
| Longueur maximale | 45,0 cm | 120,0 cm |
| Poids maximum | 2,0 kg | 25,4 kg |
| Couleur | 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. | 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
| Attribut | Poisson rouge(=Cyprin doré) | Truite arc-en-ciel |
|---|---|---|
| Type d'eau | Brackish | Freshwater & Saltwater |
| Plage de profondeur | 0-20m | 0-200m |
| Aire de répartition | 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 … | 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 | 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 … | 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. … |
Aquarium Suitability
| Attribut | Poisson rouge(=Cyprin doré) | Truite arc-en-ciel |
|---|---|---|
| Taille minimale de l'aquarium | 150 L | — |
| Température | 10-24 | — |
| Plage de pH | 6.0-8.0 | — |
| Niveau d'entretien | Easy | — |
| Tempérament | Peaceful | — |
Informations sur la pêche
| Attribut | Poisson rouge(=Cyprin doré) | Truite arc-en-ciel |
|---|---|---|
| Poisson de pêche sportive | Oui | Oui |
| Cote de combativité | — | 6/10 |
| Record du monde | — | — |
| Teneur en mercure | — | — |
Cuisine & Edibility
Poisson rouge(=Cyprin doré)
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.
Truite arc-en-ciel
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
Poisson rouge(=Cyprin doré)
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.
Truite arc-en-ciel
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.
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