Discus vs Oscar

Symphysodon discus comparé à Astronotus ocellatus

Taxonomy & Classification

Attribut	Discus	Oscar
Nom scientifique	Symphysodon discus	Astronotus ocellatus
Ordre	Cichliformes	Cichliformes
Famille	Cichlidae	Cichlidae
Conservation Status	Least Concern	Least Concern

Physical Traits

Attribut	Discus	Oscar
Longueur maximale	20,0 cm	45,0 cm
Poids maximum	0,25 kg	1,6 kg
Couleur	Deep-bodied disc shape with vibrant turquoise-blue wavy horizontal lines over a reddish-brown to orange-brown base; fins edged in vivid blue with red striping; wild forms show 9 dark vertical bars.	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	Discus	Oscar
Type d'eau	Freshwater	Freshwater
Plage de profondeur	—	—
Aire de répartition	Restricted to the central Amazon River basin in Brazil, particularly around the confluence of the Rio Negro and Rio Solimões. Prefers warm, soft, highly acidic …	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	Warm, blackwater rivers of the Amazon basin, particularly the Rio Negro and tributaries. Prefers soft, acidic water (pH 4.5-6.5, 26-31°C) with driftwood and minimal current. …	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	Discus	Oscar
Taille minimale de l'aquarium	250 L	280 L
Température	26-30	22-25
Plage de pH	5.0-7.0	6.0-8.0
Niveau d'entretien	Difficult	Moderate
Tempérament	Peaceful	Aggressive

Informations sur la pêche

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

Cuisine & Edibility

Discus

Not consumed — a prized ornamental aquarium fish known as the 'king of the aquarium' for its disc-shaped body and brilliant colors.

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

Discus

The discus is often called the 'King of the Aquarium' for its disc-shaped body and stunning color patterns. Native to the Amazon floodplains, it requires warm, soft, acidic water and feeds its fry with a mucus secretion from its skin.

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.