Pirarucu vs Oscar
Arapaima gigas comparé à Astronotus ocellatus
Taxonomy & Classification
| Attribut | Pirarucu | Oscar |
|---|---|---|
| Nom scientifique | Arapaima gigas | Astronotus ocellatus |
| Ordre | Osteoglossiformes | Cichliformes |
| Famille | Arapaimidae | Cichlidae |
| Conservation Status | Data Deficient | Least Concern |
Physical Traits
| Attribut | Pirarucu | Oscar |
|---|---|---|
| Longueur maximale | 450,0 cm | 45,0 cm |
| Poids maximum | 200,0 kg | 1,6 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. | Dark olive-brown to blackish body with irregular wavy orange-red markings forming a marbled or reticulated pattern; prominent black ocellus with orange ring at the upper tail base. |
Habitat & Environment
| Attribut | Pirarucu | Oscar |
|---|---|---|
| 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 the Amazon and Orinoco river basins in South America, including Peru, Colombia, and Brazil. Inhabits slow, deep, turbid rivers, flooded forests, and large … |
| 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. … | Slow-moving rivers and floodplains of the Amazon and Orinoco basins, South America. Warm, murky water (22-28°C, pH 6-8). Inhabits areas with submerged logs and dense … |
Aquarium Suitability
| Attribut | Pirarucu | Oscar |
|---|---|---|
| Taille minimale de l'aquarium | — | 280 L |
| Température | — | 22-25 |
| Plage de pH | — | 6.0-8.0 |
| Niveau d'entretien | — | Moderate |
| Tempérament | — | Aggressive |
Informations sur la pêche
| Attribut | Pirarucu | Oscar |
|---|---|---|
| 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.
Oscar
Not consumed — popular ornamental cichlid kept for its bold patterning and personality; occasionally eaten in parts of South America but primarily an aquarium 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.
Oscar
The oscar is a large, intelligent cichlid native to the Amazon basin. Known for its dog-like personality, it can recognize its owner and may beg for food. Oscars rearrange their tank decor and require spacious aquariums with robust filtration.