Atún rojo del Atlántico vs Neon Tetra

Thunnus thynnus comparado con Paracheirodon innesi

Taxonomy & Classification

Atributo	Atún rojo del Atlántico	Neon Tetra
Nombre Científico	Thunnus thynnus	Paracheirodon innesi
Orden	Scombriformes	Characiformes
Familia	Scombridae	Characidae
Conservation Status	Least Concern	Least Concern

Physical Traits

Atributo	Atún rojo del Atlántico	Neon Tetra
Longitud Máxima	458,0 cm	3,0 cm
Peso Máximo	680,0 kg	0,001 kg
Color	Dark metallic blue-black back with a bright silvery-white lower belly; upper flanks show iridescent blue and green tones; short yellow finlets have black margins; second dorsal and pectoral fins dark.	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	Atún rojo del Atlántico	Neon Tetra
Tipo de Agua	Saltwater	Freshwater
Rango de Profundidad	0-985m	—
Distribución Geográfica	North Atlantic Ocean from the Gulf of Mexico and Caribbean north to Norway and Iceland, including the Mediterranean and Black seas. Two spawning populations: western …	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	Open ocean in the Atlantic, Mediterranean, and Black Sea. Highly migratory, ranging from temperate to subtropical surface waters (0-100m, optimum 15-25°C). Aggregates seasonally to feed …	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	Atún rojo del Atlántico	Neon Tetra
Tamaño Mínimo del Acuario	—	40 L
Temperatura	—	20-26
Rango de pH	—	6.0-7.0
Nivel de Cuidado	—	Easy
Temperamento	—	Peaceful

Información de Pesca

Atributo	Atún rojo del Atlántico	Neon Tetra
Pez de Pesca Deportiva	Sí	No
Clasificación de Pelea	10/10	—
Récord Mundial	—	—
Nivel de Mercurio	—	—

Cuisine & Edibility

Atún rojo del Atlántico

The pinnacle of raw fish dining — intensely rich, fatty tuna-o-toro with deep red color and buttery, umami-forward flavor. Commands the highest prices globally in Japanese sushi markets.

Neon Tetra

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

Species Overview

Atún rojo del Atlántico

The Atlantic bluefin tuna is one of the largest bony fish, capable of crossing the Atlantic in under 60 days. A single specimen has sold for over $3 million at Tokyo's fish market. It can maintain a body temperature above the surrounding water.

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.