Thon rouge de l'Atlantique vs Corydoras

Thunnus thynnus comparé à Corydoras paleatus

Taxonomy & Classification

Attribut	Thon rouge de l'Atlantique	Corydoras
Nom scientifique	Thunnus thynnus	Corydoras paleatus
Ordre	Scombriformes	Siluriformes
Famille	Scombridae	Callichthyidae
Conservation Status	Least Concern	Least Concern

Physical Traits

Attribut	Thon rouge de l'Atlantique	Corydoras
Longueur maximale	458,0 cm	7,0 cm
Poids maximum	680,0 kg	0,005 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.	Pale olive-gray to greenish body with irregular dark olive to black marbled blotches and spots; a broad dark blotch at the dorsal fin base; belly is cream to white; fins spotted or barred.

Habitat & Environment

Attribut	Thon rouge de l'Atlantique	Corydoras
Type d'eau	Saltwater	Freshwater
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 the La Plata River system and coastal rivers of southeastern Brazil, Uruguay, and northeastern Argentina. Inhabits shallow streams, flooded meadows, and sandy-bottomed lagoons …
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 …	Rivers and streams of the Río de la Plata basin in South America (Brazil, Argentina, Uruguay). Inhabits clear-water streams over sandy and muddy bottoms. Active …

Aquarium Suitability

Attribut	Thon rouge de l'Atlantique	Corydoras
Taille minimale de l'aquarium	—	40 L
Température	—	22-26
Plage de pH	—	6.0-8.0
Niveau d'entretien	—	Easy
Tempérament	—	Peaceful

Informations sur la pêche

Attribut	Thon rouge de l'Atlantique	Corydoras
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.

Corydoras

Not consumed — a small ornamental bottom-dwelling catfish beloved for its peaceful temperament and role as a substrate scavenger in community aquariums.

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.

Corydoras

The peppered corydoras is a peaceful bottom-dwelling catfish native to South American rivers. It uses its barbels to sift through substrate for food and should be kept in groups of six or more. It can gulp atmospheric air in low-oxygen conditions.