Discus vs Northern Snakehead
Symphysodon discus との比較 Channa argus
Taxonomy & Classification
| 属性 | Discus | Northern Snakehead |
|---|---|---|
| 学名 | Symphysodon discus | Channa argus |
| 目 | Cichliformes | Anabantiformes |
| 科 | Cichlidae | Channidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| 属性 | Discus | Northern Snakehead |
|---|---|---|
| 最大体長 | 20.0 cm | 150.0 cm |
| 最大体重 | 0.25 kg | 8.0 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. | Tawny-brown to pale golden-brown body with irregular dark brown to black blotches and saddles creating a cryptic camouflage pattern; belly is pale cream; long dorsal fin is mottled dark brown. |
Habitat & Environment
| 属性 | Discus | Northern Snakehead |
|---|---|---|
| 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 river basins of China, Korea, and far-eastern Russia including the Amur River system. Introduced and now invasive in parts of the eastern United … |
| 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. … | Rivers, lakes, and ponds of East Asia (China, Korea, Russia); invasive in North America. Tolerates oxygen-poor water (15-30°C); can breathe air. Inhabits densely vegetated shallows … |
Aquarium Suitability
| 属性 | Discus | Northern Snakehead |
|---|---|---|
| 最小水槽サイズ | 250 L | — |
| 水温 | 26-30 | — |
| pH 範囲 | 5.0-7.0 | — |
| 飼育難易度 | Difficult | — |
| 気性 | Peaceful | — |
釣り情報
| 属性 | Discus | Northern Snakehead |
|---|---|---|
| ゲームフィッシュ | いいえ | はい |
| ファイト評価 | — | 7/10 |
| 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.
Northern Snakehead
Firm, white flesh with a mild flavor and low fat; valued in Asian cuisines, especially in soups and steamed preparations. An invasive species in North America where removal is encouraged.
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.
Northern Snakehead
The northern snakehead is an aggressive freshwater predator native to East Asia. It can breathe air and survive out of water for several days. Considered a destructive invasive species in North America, it provides exciting catch opportunities.