Flétan de l'Atlantique vs Hareng de l'Atlantique

Hippoglossus hippoglossus comparé à Clupea harengus

Taxonomy & Classification

Attribut	Flétan de l'Atlantique	Hareng de l'Atlantique
Nom scientifique	Hippoglossus hippoglossus	Clupea harengus
Ordre	Perciformes	Perciformes
Famille	Pleuronectidae	Clupeidae
Conservation Status	Endangered	Least Concern

Physical Traits

Attribut	Flétan de l'Atlantique	Hareng de l'Atlantique
Longueur maximale	470,0 cm	45,0 cm
Poids maximum	320,0 kg	1,1 kg
Couleur	Eyed side is olive-brown to dark greenish-brown with mottled paler blotches providing camouflage; blind underside is pure white; lateral line distinctly arched over the pectoral fin.	Deep blue-green to teal back with brilliant iridescent silver flanks and white belly; no spots or bars; scales shed easily; fins are translucent to pale; single dorsal fin positioned mid-body.

Habitat & Environment

Attribut	Flétan de l'Atlantique	Hareng de l'Atlantique
Type d'eau	Saltwater	Saltwater
Plage de profondeur	50-2000m	0-364m
Aire de répartition	North Atlantic from Labrador and Greenland east to Iceland, Norway, the Barents Sea, and the British Isles. Found on sandy and gravel bottoms at depths …	Northern North Atlantic and adjacent Arctic seas, from the eastern seaboard of Canada to Iceland, the North Sea, Baltic Sea, and Barents Sea. Forms massive …
Habitat	Neritic	Pelagic, open ocean in the North Atlantic, from Arctic to subtropical latitudes. Highly migratory, schooling in surface to mid-water depths (0-200m). Undertakes large seasonal migrations. …

Informations sur la pêche

Attribut	Flétan de l'Atlantique	Hareng de l'Atlantique
Poisson de pêche sportive	Oui	Oui
Cote de combativité	7/10	—
Record du monde	—	—
Teneur en mercure	—	—

Cuisine & Edibility

Flétan de l'Atlantique

Firm, meaty white flesh with a mild, sweet flavor and very low fat. Endangered status — sustainable sourcing essential; superb pan-seared, poached in butter, or roasted with aromatics.

Hareng de l'Atlantique

Soft, oily flesh with a rich, pronounced flavor and high omega-3 content. Culturally essential across Northern Europe — pickled, smoked, salted, or prepared as Bismarck herring or rollmops.

Species Overview

Flétan de l'Atlantique

The Atlantic halibut is the largest flatfish in the world, capable of exceeding 300 kg. Both eyes are on the right side of its body. It is a slow-growing, long-lived species that has suffered severe overfishing.

Hareng de l'Atlantique

The Atlantic herring is one of the most abundant fish species on Earth, forming massive schools of billions of individuals. It has played a crucial role in European history, fueling trade routes and even wars.