Esturgeon commun vs Espadon

Acipenser sturio comparé à Xiphias gladius

Taxonomy & Classification

Attribut	Esturgeon commun	Espadon
Nom scientifique	Acipenser sturio	Xiphias gladius
Ordre	Perciformes	Istiophoriformes
Famille	Acipenseridae	Xiphiidae
Conservation Status	Critically Endangered	Least Concern

Physical Traits

Attribut	Esturgeon commun	Espadon
Longueur maximale	600,0 cm	455,0 cm
Poids maximum	400,0 kg	650,0 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.	Dark brown to blackish-purple back contrasting sharply with a pale cream-white belly; sides are dull bronze-brown; large crescent-shaped tail fin is dark; skin scaleless and leathery.

Habitat & Environment

Attribut	Esturgeon commun	Espadon
Type d'eau	Freshwater & Saltwater	Saltwater
Plage de profondeur	4-93m	0-2878m
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, …	Cosmopolitan in temperate and tropical oceans worldwide, including the Mediterranean Sea, Atlantic, Indian, and Pacific oceans. Makes deep vertical migrations between surface feeding and depths …
Habitat	Neritic, estuaries	Oceanic and neritic zones worldwide in temperate and tropical seas; surface to 650m. Highly migratory, following prey into cold, productive upwelling zones. Rarely found near …

Informations sur la pêche

Attribut	Esturgeon commun	Espadon
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.

Espadon

Dense, meaty flesh with a mild, slightly sweet flavor; moderate fat and steak-like texture. Ideal for grilling, broiling, or searing; pairs well with lemon-herb or citrus salsas.

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.

Espadon

The swordfish is a highly migratory pelagic predator recognized by its long, flat, pointed bill. It can dive to depths exceeding 2,800 meters and possesses a specialized organ that heats its eyes and brain for improved vision in cold, deep water.