Discus vs Cá nục heo cờ
Symphysodon discus so sánh với Coryphaena hippurus
Taxonomy & Classification
| Thuộc tính | Discus | Cá nục heo cờ |
|---|---|---|
| Tên khoa học | Symphysodon discus | Coryphaena hippurus |
| Bộ | Cichliformes | Carangiformes |
| Họ | Cichlidae | Coryphaenidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| Thuộc tính | Discus | Cá nục heo cờ |
|---|---|---|
| Chiều dài tối đa | 20,0 cm | 210,0 cm |
| Cân nặng tối đa | 0,25 kg | 40,0 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. | Dazzling iridescent blue-green and gold flanks; males have a blunt squared-off head; flanks flicker golden-yellow to electric blue when alive, fading to dull gray-green at death. |
Habitat & Environment
| Thuộc tính | Discus | Cá nục heo cờ |
|---|---|---|
| Loại nước | Freshwater | Saltwater |
| Phạm vi độ sâu | — | 0-85m |
| 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 … | Worldwide in tropical and subtropical oceanic waters of the Atlantic, Pacific, and Indian oceans. Highly pelagic; gathers around floating sargassum mats, current lines, and thermocline … |
| 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. … | Neritic, pelagic, coral reefs |
Aquarium Suitability
| Thuộc tính | Discus | Cá nục heo cờ |
|---|---|---|
| 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 nục heo cờ |
|---|---|---|
| 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 nục heo cờ
Firm, slightly sweet flesh with large, moist flakes and low fat. Excellent grilled, blackened Cajun-style, or in tacos; one of the most popular sport fish for the table.
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 nục heo cờ
The mahi-mahi, also known as dorado or dolphinfish, is among the most colorful pelagic fish in the ocean. Its iridescent blue, green, and gold body fades rapidly after death. It is a fast-growing species, rarely living beyond five years.