Pez rojo vs Trucha arco iris

Carassius auratus comparado con Oncorhynchus mykiss

Taxonomy & Classification

Atributo	Pez rojo	Trucha arco iris
Nombre Científico	Carassius auratus	Oncorhynchus mykiss
Orden	Cypriniformes	Salmoniformes
Familia	Cyprinidae	Salmonidae
Conservation Status	Least Concern	Least Concern

Physical Traits

Atributo	Pez rojo	Trucha arco iris
Longitud Máxima	45,0 cm	120,0 cm
Peso Máximo	2,0 kg	25,4 kg
Color	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

Atributo	Pez rojo	Trucha arco iris
Tipo de Agua	Brackish	Freshwater & Saltwater
Rango de Profundidad	0-20m	0-200m
Distribución Geográfica	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 …
Hábitat	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

Atributo	Pez rojo	Trucha arco iris
Tamaño Mínimo del Acuario	150 L	—
Temperatura	10-24	—
Rango de pH	6.0-8.0	—
Nivel de Cuidado	Easy	—
Temperamento	Peaceful	—

Información de Pesca

Atributo	Pez rojo	Trucha arco iris
Pez de Pesca Deportiva	Sí	Sí
Clasificación de Pelea	—	6/10
Récord Mundial	—	—
Nivel de Mercurio	—	—

Cuisine & Edibility

Pez rojo

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.

Trucha arco iris

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

Pez rojo

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.

Trucha arco iris

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.