Esturgeon commun vs Mérou géant de l'Atlantique

Acipenser sturio comparé à Epinephelus itajara

Taxonomy & Classification

Attribut	Esturgeon commun	Mérou géant de l'Atlantique
Nom scientifique	Acipenser sturio	Epinephelus itajara
Ordre	Perciformes	Perciformes
Famille	Acipenseridae	Serranidae
Conservation Status	Critically Endangered	Vulnerable

Physical Traits

Attribut	Esturgeon commun	Mérou géant de l'Atlantique
Longueur maximale	600,0 cm	250,0 cm
Poids maximum	400,0 kg	363,0 kg
Couleur	Gray-brown to dark brownish-black back with 5 rows of bony scutes that are yellowish-white; sides pale grayish-brown to whitish; belly creamy-white; thick armored body with a shark-like heterocercal tail.	Yellow-brown to olive-green body densely covered with small dark brown spots and irregular blotches; 3–4 faint pale vertical bands on the flanks; juveniles show bolder contrasting yellow and black stripes.

Habitat & Environment

Attribut	Esturgeon commun	Mérou géant de l'Atlantique
Type d'eau	Freshwater & Saltwater	Saltwater
Plage de profondeur	4-93m	0-100m
Aire de répartition	Historically ranged across European coastal waters from the North Sea and Baltic to the Mediterranean and Black seas, spawning in major rivers like the Rhine, …	Tropical western Atlantic from Florida and the Gulf of Mexico through the Caribbean Sea to Brazil, and eastern Pacific from the Gulf of California to …
Habitat	Neritic, estuaries	Neritic, coral reefs, estuaries

Informations sur la pêche

Attribut	Esturgeon commun	Mérou géant de l'Atlantique
Poisson de pêche sportive	Non	Oui
Cote de combativité	—	9/10
Record du monde	—	—
Teneur en mercure	—	—

Cuisine & Edibility

Esturgeon commun

Critically Endangered — consumption is illegal throughout its range. Historically prized for its delicate flesh and black caviar; now one of the world's most threatened fish species.

Mérou géant de l'Atlantique

Firm, flaky white flesh with a mild, sweet flavor; harvest is heavily restricted or banned throughout most of its range due to Vulnerable status. Catch-and-release strongly encouraged.

Species Overview

Esturgeon commun

The European sturgeon is a critically endangered anadromous fish that can live over 100 years. Once abundant in European rivers, it is now restricted to a small population in the Gironde estuary. Its eggs are harvested as beluga-grade caviar.

Mérou géant de l'Atlantique

The goliath grouper is the largest grouper in the Atlantic Ocean. This massive reef dweller can swallow prey whole and produces a distinctive booming sound by contracting its swim bladder to ward off intruders.