Pirarucu vs Poisson tête de serpent

Arapaima gigas comparé à Channa argus

Taxonomy & Classification

Attribut	Pirarucu	Poisson tête de serpent
Nom scientifique	Arapaima gigas	Channa argus
Ordre	Osteoglossiformes	Perciformes
Famille	Arapaimidae	Channidae
Conservation Status	Data Deficient	Least Concern

Physical Traits

Attribut	Pirarucu	Poisson tête de serpent
Longueur maximale	450,0 cm	150,0 cm
Poids maximum	200,0 kg	8,0 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.	Tawny-brown to pale golden-brown body with irregular dark brown to black blotches and saddles creating a cryptic camouflage pattern; belly is pale cream; long dorsal fin is mottled dark brown.

Habitat & Environment

Attribut	Pirarucu	Poisson tête de serpent
Type d'eau	Freshwater	Freshwater
Plage de profondeur	—	—
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 …	Native to river basins of China, Korea, and far-eastern Russia including the Amur River system. Introduced and now invasive in parts of the eastern United …
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. …	Rivers, lakes, and ponds of East Asia (China, Korea, Russia); invasive in North America. Tolerates oxygen-poor water (15-30°C); can breathe air. Inhabits densely vegetated shallows …

Informations sur la pêche

Attribut	Pirarucu	Poisson tête de serpent
Poisson de pêche sportive	Oui	Oui
Cote de combativité	10/10	7/10
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 tête de serpent

Firm, white flesh with a mild flavor and low fat; valued in Asian cuisines, especially in soups and steamed preparations. An invasive species in North America where removal is 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.

Poisson tête de serpent

The northern snakehead is an aggressive freshwater predator native to East Asia. It can breathe air and survive out of water for several days. Considered a destructive invasive species in North America, it provides exciting catch opportunities.