Discus vs 黃鱸
Symphysodon discus 与之比较 Perca flavescens
Taxonomy & Classification
| 属性 | Discus | 黃鱸 |
|---|---|---|
| 学名 | Symphysodon discus | Perca flavescens |
| 目 | Cichliformes | Perciformes |
| 科 | Cichlidae | Percidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| 属性 | Discus | 黃鱸 |
|---|---|---|
| 最大体长 | 20.0 cm | 50.0 cm |
| 最大体重 | 0.25 kg | 1.9 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. | Bright golden-yellow body with 6–8 broad dark olive-green vertical saddle-bars; belly pale yellow to white; paired and anal fins are vivid orange to red; two separate dorsal fins, the first dark-spined. |
Habitat & Environment
| 属性 | Discus | 黃鱸 |
|---|---|---|
| 水质类型 | Freshwater | Brackish |
| 栖息水深 | — | 0-56m |
| 地理分布 | 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 freshwater and slightly brackish lakes and rivers of central and eastern Canada and the northern United States, including all five Great Lakes. Abundant … |
| 栖息地 | 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. … | Estuaries |
Aquarium Suitability
| 属性 | Discus | 黃鱸 |
|---|---|---|
| 最小水箱尺寸 | 250 L | — |
| 水温 | 26-30 | — |
| pH 范围 | 5.0-7.0 | — |
| 饲养难度 | Difficult | — |
| 性情 | Peaceful | — |
钓鱼信息
| 属性 | Discus | 黃鱸 |
|---|---|---|
| 游钓鱼种 | 否 | 是 |
| 搏鱼评级 | — | 3/10 |
| 世界纪录 | — | — |
| 汞含量 | — | — |
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.
黃鱸
Sweet, clean white flesh with very low fat and a delicate texture; among the most prized freshwater eating fish in the Great Lakes region. Best pan-fried or sautéed simply in butter.
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.
黃鱸
The yellow perch is a schooling fish found in lakes and slow rivers across North America. Its golden-yellow body with dark vertical bars is unmistakable. Its sweet, firm white flesh makes it one of the finest-tasting freshwater fish.