Discus vs Greater Amberjack
Symphysodon discus so sánh với Seriola dumerili
Taxonomy & Classification
| Thuộc tính | Discus | Greater Amberjack |
|---|---|---|
| Tên khoa học | Symphysodon discus | Seriola dumerili |
| Bộ | Cichliformes | Carangiformes |
| Họ | Cichlidae | Carangidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| Thuộc tính | Discus | Greater Amberjack |
|---|---|---|
| Chiều dài tối đa | 20,0 cm | 200,0 cm |
| Cân nặng tối đa | 0,25 kg | 80,6 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. | Olive-green to bluish back with a wide amber to golden-yellow mid-lateral stripe running from eye to tail; silvery-white belly; a dark diagonal stripe extends from snout through the eye to the dorsal fin. |
Habitat & Environment
| Thuộc tính | Discus | Greater Amberjack |
|---|---|---|
| Loại nước | Freshwater | Saltwater |
| Phạm vi độ sâu | — | 1-385m |
| 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 … | Circumglobal in tropical and subtropical waters including the Atlantic, Mediterranean Sea, Indian Ocean, and Pacific. Commonly found around deepwater reefs, rocky outcrops, and offshore oil … |
| 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 |
Aquarium Suitability
| Thuộc tính | Discus | Greater Amberjack |
|---|---|---|
| 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 | Greater Amberjack |
|---|---|---|
| Cá thể thao | Không | Có |
| Xếp hạng chiến đấu | — | 9/10 |
| 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.
Greater Amberjack
Firm, rich flesh with a moderately strong flavor; can carry parasites in tropical waters, requiring thorough cooking. Good grilled or baked; related to the highly prized Japanese hamachi.
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.
Greater Amberjack
The greater amberjack is the largest of the jacks, known for brutal head-shaking fights and powerful dives toward structure. Found near reefs, wrecks, and offshore platforms in tropical and subtropical waters worldwide.