Discus vs Oscar

Symphysodon discus comparado com Astronotus ocellatus

Taxonomy & Classification

Atributo	Discus	Oscar
Nome Científico	Symphysodon discus	Astronotus ocellatus
Ordem	Cichliformes	Cichliformes
Família	Cichlidae	Cichlidae
Conservation Status	Least Concern	Least Concern

Physical Traits

Atributo	Discus	Oscar
Comprimento Máximo	20,0 cm	45,0 cm
Peso Máximo	0,25 kg	1,6 kg
Cor	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

Atributo	Discus	Oscar
Tipo de Água	Freshwater	Freshwater
Faixa de Profundidade	—	—
Distribuição Geográfica	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

Atributo	Discus	Oscar
Tamanho Mínimo do Aquário	250 L	280 L
Temperatura	26-30	22-25
Faixa de pH	5.0-7.0	6.0-8.0
Nível de Cuidado	Difficult	Moderate
Temperamento	Peaceful	Aggressive

Informações de Pesca

Atributo	Discus	Oscar
Peixe Esportivo	Não	Sim
Classificação de Resistência	—	—
Recorde Mundial	—	—
Nível de Mercúrio	—	—

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.