Discus vs Cá nhồng lớn
Symphysodon discus so sánh với Sphyraena barracuda
Taxonomy & Classification
| Thuộc tính | Discus | Cá nhồng lớn |
|---|---|---|
| Tên khoa học | Symphysodon discus | Sphyraena barracuda |
| Bộ | Cichliformes | Perciformes |
| Họ | Cichlidae | Sphyraenidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| Thuộc tính | Discus | Cá nhồng lớn |
|---|---|---|
| Chiều dài tối đa | 20,0 cm | 200,0 cm |
| Cân nặng tối đa | 0,25 kg | 50,0 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. | Steel-gray to dark gunmetal-blue back with a pale silvery-white belly; scattered irregular dark blotches on the lower flanks; tail fin is grayish with whitish tips on both lobes. |
Habitat & Environment
| Thuộc tính | Discus | Cá nhồng lớn |
|---|---|---|
| Loại nước | Freshwater | Saltwater |
| Phạm vi độ sâu | — | 0-100m |
| 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 … | Circumtropical in shallow coastal waters of the Atlantic, Indian, and Pacific oceans. Frequents coral reefs, seagrass beds, and estuaries from Florida and the Caribbean to … |
| 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. … | Pelagic, coral reefs, estuaries |
Aquarium Suitability
| Thuộc tính | Discus | Cá nhồng lớn |
|---|---|---|
| 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 | Cá nhồng lớn |
|---|---|---|
| Cá thể thao | Không | Có |
| Xếp hạng chiến đấu | — | 7/10 |
| 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.
Cá nhồng lớn
Firm, lean white flesh with a mild flavor when small; larger individuals risk ciguatera fish poisoning and are generally avoided. Smaller fish eaten grilled or fried in the Caribbean.
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.
Cá nhồng lớn
The great barracuda is a fearsome-looking predator found in tropical and subtropical oceans. With its torpedo-shaped body, pronounced underbite, and fang-like teeth, it can strike prey at speeds exceeding 58 km/h.