Corydoras vs Oscar

Corydoras paleatus comparé à Astronotus ocellatus

Taxonomy & Classification

Attribut	Corydoras	Oscar
Nom scientifique	Corydoras paleatus	Astronotus ocellatus
Ordre	Siluriformes	Cichliformes
Famille	Callichthyidae	Cichlidae
Conservation Status	Least Concern	Least Concern

Physical Traits

Attribut	Corydoras	Oscar
Longueur maximale	7,0 cm	45,0 cm
Poids maximum	0,005 kg	1,6 kg
Couleur	Pale olive-gray to greenish body with irregular dark olive to black marbled blotches and spots; a broad dark blotch at the dorsal fin base; belly is cream to white; fins spotted or barred.	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	Corydoras	Oscar
Type d'eau	Freshwater	Freshwater
Plage de profondeur	—	—
Aire de répartition	Native to the La Plata River system and coastal rivers of southeastern Brazil, Uruguay, and northeastern Argentina. Inhabits shallow streams, flooded meadows, and sandy-bottomed lagoons …	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	Rivers and streams of the Río de la Plata basin in South America (Brazil, Argentina, Uruguay). Inhabits clear-water streams over sandy and muddy bottoms. Active …	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	Corydoras	Oscar
Taille minimale de l'aquarium	40 L	280 L
Température	22-26	22-25
Plage de pH	6.0-8.0	6.0-8.0
Niveau d'entretien	Easy	Moderate
Tempérament	Peaceful	Aggressive

Informations sur la pêche

Attribut	Corydoras	Oscar
Poisson de pêche sportive	Non	Oui
Cote de combativité	—	—
Record du monde	—	—
Teneur en mercure	—	—

Cuisine & Edibility

Corydoras

Not consumed — a small ornamental bottom-dwelling catfish beloved for its peaceful temperament and role as a substrate scavenger in community aquariums.

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

Corydoras

The peppered corydoras is a peaceful bottom-dwelling catfish native to South American rivers. It uses its barbels to sift through substrate for food and should be kept in groups of six or more. It can gulp atmospheric air in low-oxygen conditions.

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.