Mérou géant de l'Atlantique vs Guppy

Epinephelus itajara comparé à Poecilia reticulata

Taxonomy & Classification

Attribut	Mérou géant de l'Atlantique	Guppy
Nom scientifique	Epinephelus itajara	Poecilia reticulata
Ordre	Perciformes	Cyprinodontiformes
Famille	Serranidae	Poeciliidae
Conservation Status	Vulnerable	Least Concern

Physical Traits

Attribut	Mérou géant de l'Atlantique	Guppy
Longueur maximale	250,0 cm	6,0 cm
Poids maximum	363,0 kg	0,002 kg
Couleur	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.	Males display highly variable iridescent patterns on a gray-olive body; spots, reticulations, and solid patches of red, orange, blue, green, and black; flowing fantail fins often multicolored.

Habitat & Environment

Attribut	Mérou géant de l'Atlantique	Guppy
Type d'eau	Saltwater	Brackish
Plage de profondeur	0-100m	—
Aire de répartition	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 …	Native to freshwater and slightly brackish streams of northern South America including Venezuela, Trinidad, and Barbados. Tolerates a wide range of salinities; introduced on every …
Habitat	Neritic, coral reefs, estuaries	Slow-moving rivers, streams, ponds, and drainage ditches of northern South America (Venezuela, Trinidad). Warm, shallow water with dense vegetation (22-28°C). Highly adaptable; introduced worldwide.

Aquarium Suitability

Attribut	Mérou géant de l'Atlantique	Guppy
Taille minimale de l'aquarium	—	38 L
Température	—	22-28
Plage de pH	—	6.8-7.8
Niveau d'entretien	—	Easy
Tempérament	—	Peaceful

Informations sur la pêche

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

Cuisine & Edibility

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.

Guppy

Not consumed — a tiny ornamental livebearer prized by hobbyists for its dazzling color variations and ease of breeding in the aquarium.

Species Overview

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.

Guppy

The guppy is one of the most widely distributed tropical fish, found in freshwater habitats across the Americas. Males display vivid colors and elaborate tail patterns to attract females. They are live-bearers, giving birth to free-swimming fry.