Pez rojo vs Neon Tetra

Carassius auratus comparado con Paracheirodon innesi

Taxonomy & Classification

Atributo	Pez rojo	Neon Tetra
Nombre Científico	Carassius auratus	Paracheirodon innesi
Orden	Cypriniformes	Characiformes
Familia	Cyprinidae	Characidae
Conservation Status	Least Concern	Least Concern

Physical Traits

Atributo	Pez rojo	Neon Tetra
Longitud Máxima	45,0 cm	3,0 cm
Peso Máximo	2,0 kg	0,001 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.	Electric iridescent blue-green stripe from eye to adipose fin; vivid red stripe from mid-body to tail base; back olive-brown; belly silvery-white; all fins transparent and colorless.

Habitat & Environment

Atributo	Pez rojo	Neon Tetra
Tipo de Agua	Brackish	Freshwater
Rango de Profundidad	0-20m	—
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 blackwater tributaries of the upper Amazon River basin in Colombia, Peru, and Brazil. Inhabits slow, acidic, tannin-stained streams and flooded forest areas in …
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 …	Warm, soft-water rivers and streams of the upper Amazon and Perú in South America. Prefers slow-moving blackwater with dense vegetation (pH 5.5-7.5, 20-26°C). Dense schooling …

Aquarium Suitability

Atributo	Pez rojo	Neon Tetra
Tamaño Mínimo del Acuario	150 L	40 L
Temperatura	10-24	20-26
Rango de pH	6.0-8.0	6.0-7.0
Nivel de Cuidado	Easy	Easy
Temperamento	Peaceful	Peaceful

Información de Pesca

Atributo	Pez rojo	Neon Tetra
Pez de Pesca Deportiva	Sí	No
Clasificación de Pelea	—	—
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.

Neon Tetra

Not consumed — ornamental aquarium species kept for its vivid iridescent stripe and peaceful schooling behavior.

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.

Neon Tetra

The neon tetra is one of the most popular freshwater aquarium fish, known for its iridescent blue and red horizontal stripes. Native to blackwater streams of the Amazon basin, it thrives in schools of six or more.