Discus vs Northern Pike
Symphysodon discus so sánh với Esox lucius
Taxonomy & Classification
| Thuộc tính | Discus | Northern Pike |
|---|---|---|
| Tên khoa học | Symphysodon discus | Esox lucius |
| Bộ | Cichliformes | Esociformes |
| Họ | Cichlidae | Esocidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| Thuộc tính | Discus | Northern Pike |
|---|---|---|
| Chiều dài tối đa | 20,0 cm | 150,0 cm |
| Cân nặng tối đa | 0,25 kg | 28,4 kg |
| Màu sắc | 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-green to brown body covered with irregular cream or yellow bean-shaped spots arranged in oblique rows; pale yellow-white belly; fins mottled with dark blotches. |
Habitat & Environment
| Thuộc tính | Discus | Northern Pike |
|---|---|---|
| Loại nước | Freshwater | Brackish |
| Phạm vi độ sâu | — | 0-30m |
| Phân bố địa lý | 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 … | Circumpolar distribution across North America, Europe, and northern Asia. Found in the Great Lakes, major Eurasian river systems, and occasionally Baltic Sea brackish bays. Tolerates … |
| Môi trường sống | 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
| Thuộc tính | Discus | Northern Pike |
|---|---|---|
| Kích thước bể tối thiểu | 250 L | — |
| Nhiệt độ | 26-30 | — |
| Phạm vi pH | 5.0-7.0 | — |
| Mức độ chăm sóc | Difficult | — |
| Tính cách | Peaceful | — |
Thông tin câu cá
| Thuộc tính | Discus | Northern Pike |
|---|---|---|
| Cá thể thao | Không | Có |
| Xếp hạng chiến đấu | — | 8/10 |
| Kỷ lục thế giới | — | — |
| Hàm lượng thủy ngân | — | — |
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 Pike
Lean white flesh with a mild, slightly earthy flavor; notable for Y-shaped pin bones that require careful filleting. Excellent in fish cakes, fried, or baked with herbs.
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 Pike
The northern pike is an apex predator of freshwater lakes and rivers across the Northern Hemisphere. With its elongated body, duck-bill snout, and razor-sharp teeth, it ambushes prey with explosive bursts of speed.