Thon rouge de l'Atlantique vs Guppy

Thunnus thynnus comparé à Poecilia reticulata

Taxonomy & Classification

Attribut	Thon rouge de l'Atlantique	Guppy
Nom scientifique	Thunnus thynnus	Poecilia reticulata
Ordre	Scombriformes	Cyprinodontiformes
Famille	Scombridae	Poeciliidae
Conservation Status	Least Concern	Least Concern

Physical Traits

Attribut	Thon rouge de l'Atlantique	Guppy
Longueur maximale	458,0 cm	6,0 cm
Poids maximum	680,0 kg	0,002 kg
Couleur	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

Attribut	Thon rouge de l'Atlantique	Guppy
Type d'eau	Saltwater	Brackish
Plage de profondeur	0-985m	—
Aire de répartition	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 …
Habitat	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

Attribut	Thon rouge de l'Atlantique	Guppy
Taille minimale de l'aquarium	—	38 L
Température	—	22-28
Plage de pH	—	6.8-7.8
Niveau d'entretien	—	Easy
Tempérament	—	Peaceful

Informations sur la pêche

Attribut	Thon rouge de l'Atlantique	Guppy
Poisson de pêche sportive	Oui	Non
Cote de combativité	10/10	—
Record du monde	—	—
Teneur en mercure	—	—

Cuisine & Edibility

Thon rouge de l'Atlantique

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

Thon rouge de l'Atlantique

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.