Pirarucu vs Mérou géant de l'Atlantique

Arapaima gigas comparé à Epinephelus itajara

Taxonomy & Classification

Attribut	Pirarucu	Mérou géant de l'Atlantique
Nom scientifique	Arapaima gigas	Epinephelus itajara
Ordre	Osteoglossiformes	Perciformes
Famille	Arapaimidae	Serranidae
Conservation Status	Data Deficient	Vulnerable

Physical Traits

Attribut	Pirarucu	Mérou géant de l'Atlantique
Longueur maximale	450,0 cm	250,0 cm
Poids maximum	200,0 kg	363,0 kg
Couleur	Dark olive-gray to grayish-black back with large scales that become vivid red-orange with black borders on the posterior flanks; belly pale cream; caudal fin reddish and rounded.	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	Pirarucu	Mérou géant de l'Atlantique
Type d'eau	Freshwater	Saltwater
Plage de profondeur	—	0-100m
Aire de répartition	Restricted to the Amazon River basin in Brazil, Peru, Guyana, and Bolivia. Inhabits flooded várzea lakes, oxbows, and large river channels; surfaces frequently to breathe …	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	Floodplain lakes (várzea) and large river channels of the Amazon basin. Slow-moving, shallow, warm freshwater (26-30°C). An obligate air-breather; rises to surface to gulp air. …	Neritic, coral reefs, estuaries

Informations sur la pêche

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

Cuisine & Edibility

Pirarucu

Large, firm white fillets with a mild, clean flavor and low fat; historically a staple protein in Amazonian communities. Often salted and dried; sustainable harvest is tightly regulated.

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

Pirarucu

The arapaima is one of the largest freshwater fish in the world, reaching up to 4.5 meters. An obligate air-breather, it must surface every 10-20 minutes to gulp air. Its tongue is bony and used to crush prey against the roof of its mouth.

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.