Atún rojo del Atlántico vs Guppy

Thunnus thynnus comparado con Poecilia reticulata

Taxonomy & Classification

Atributo	Atún rojo del Atlántico	Guppy
Nombre Científico	Thunnus thynnus	Poecilia reticulata
Orden	Scombriformes	Cyprinodontiformes
Familia	Scombridae	Poeciliidae
Conservation Status	Least Concern	Least Concern

Physical Traits

Atributo	Atún rojo del Atlántico	Guppy
Longitud Máxima	458,0 cm	6,0 cm
Peso Máximo	680,0 kg	0,002 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.	Males display highly variable iridescent patterns on a gray-olive body; spots, reticulations, and solid patches of red, orange, blue, green, and black; flowing fantail fins often multicolored.

Habitat & Environment

Atributo	Atún rojo del Atlántico	Guppy
Tipo de Agua	Saltwater	Brackish
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 freshwater and slightly brackish streams of northern South America including Venezuela, Trinidad, and Barbados. Tolerates a wide range of salinities; introduced on every …
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 …	Slow-moving rivers, streams, ponds, and drainage ditches of northern South America (Venezuela, Trinidad). Warm, shallow water with dense vegetation (22-28°C). Highly adaptable; introduced worldwide.

Aquarium Suitability

Atributo	Atún rojo del Atlántico	Guppy
Tamaño Mínimo del Acuario	—	38 L
Temperatura	—	22-28
Rango de pH	—	6.8-7.8
Nivel de Cuidado	—	Easy
Temperamento	—	Peaceful

Información de Pesca

Atributo	Atún rojo del Atlántico	Guppy
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.

Guppy

Not consumed — a tiny ornamental livebearer prized by hobbyists for its dazzling color variations and ease of breeding in the aquarium.

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.

Guppy

The guppy is one of the most widely distributed tropical fish, found in freshwater habitats across the Americas. Males display vivid colors and elaborate tail patterns to attract females. They are live-bearers, giving birth to free-swimming fry.