Discus vs Oscar

Symphysodon discus との比較 Astronotus ocellatus

Taxonomy & Classification

属性	Discus	Oscar
学名	Symphysodon discus	Astronotus ocellatus
目	Cichliformes	Cichliformes
科	Cichlidae	Cichlidae
Conservation Status	Least Concern	Least Concern

Physical Traits

属性	Discus	Oscar
最大体長	20.0 cm	45.0 cm
最大体重	0.25 kg	1.6 kg
体色	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

属性	Discus	Oscar
水質タイプ	Freshwater	Freshwater
生息水深	—	—
分布域	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 …
生息地	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

属性	Discus	Oscar
最小水槽サイズ	250 L	280 L
水温	26-30	22-25
pH 範囲	5.0-7.0	6.0-8.0
飼育難易度	Difficult	Moderate
気性	Peaceful	Aggressive

釣り情報

属性	Discus	Oscar
ゲームフィッシュ	いいえ	はい
ファイト評価	—	—
世界記録	—	—
水銀含有量	—	—

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.