Pirarucu vs Poisson rouge(=Cyprin doré)

Arapaima gigas comparé à Carassius auratus

Taxonomy & Classification

Attribut	Pirarucu	Poisson rouge(=Cyprin doré)
Nom scientifique	Arapaima gigas	Carassius auratus
Ordre	Osteoglossiformes	Cypriniformes
Famille	Arapaimidae	Cyprinidae
Conservation Status	Data Deficient	Least Concern

Physical Traits

Attribut	Pirarucu	Poisson rouge(=Cyprin doré)
Longueur maximale	450,0 cm	45,0 cm
Poids maximum	200,0 kg	2,0 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.	Brilliant orange to deep golden-yellow body with a metallic sheen across all scales; domesticated forms range from white, yellow, and red to black and calico bicolor combinations.

Habitat & Environment

Attribut	Pirarucu	Poisson rouge(=Cyprin doré)
Type d'eau	Freshwater	Brackish
Plage de profondeur	—	0-20m
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 …	Originates from rivers and lakes of eastern China and possibly Korea; domesticated for over 1,000 years. Wild relatives inhabit slow rivers, ponds, and slightly brackish …
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. …	Ponds, lakes, slow rivers across East Asia; introduced worldwide. Tolerates wide temperature range (10-30°C) and turbid water. Prefers shallow, vegetated areas with soft substrates. Domestic …

Aquarium Suitability

Attribut	Pirarucu	Poisson rouge(=Cyprin doré)
Taille minimale de l'aquarium	—	150 L
Température	—	10-24
Plage de pH	—	6.0-8.0
Niveau d'entretien	—	Easy
Tempérament	—	Peaceful

Informations sur la pêche

Attribut	Pirarucu	Poisson rouge(=Cyprin doré)
Poisson de pêche sportive	Oui	Oui
Cote de combativité	10/10	—
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.

Poisson rouge(=Cyprin doré)

Not consumed — a classic ornamental aquarium and pond fish; its vivid color and hardy nature make it one of the world's most popular decorative species.

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.

Poisson rouge(=Cyprin doré)

The goldfish was one of the first fish to be domesticated, with selective breeding in China dating back over 1,000 years. Despite common misconceptions, goldfish can live 10-15 years with proper care and require far more space than a small bowl.