Atlantic Herring vs Discus
Clupea harengus so sánh với Symphysodon discus
Taxonomy & Classification
| Thuộc tính | Atlantic Herring | Discus |
|---|---|---|
| Tên khoa học | Clupea harengus | Symphysodon discus |
| Bộ | Clupeiformes | Cichliformes |
| Họ | Clupeidae | Cichlidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| Thuộc tính | Atlantic Herring | Discus |
|---|---|---|
| Chiều dài tối đa | 45,0 cm | 20,0 cm |
| Cân nặng tối đa | 1,1 kg | 0,25 kg |
| Màu sắc | Deep blue-green to teal back with brilliant iridescent silver flanks and white belly; no spots or bars; scales shed easily; fins are translucent to pale; single dorsal fin positioned mid-body. | 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. |
Habitat & Environment
| Thuộc tính | Atlantic Herring | Discus |
|---|---|---|
| Loại nước | Saltwater | Freshwater |
| Phạm vi độ sâu | 0-364m | — |
| Phân bố địa lý | Northern North Atlantic and adjacent Arctic seas, from the eastern seaboard of Canada to Iceland, the North Sea, Baltic Sea, and Barents Sea. Forms massive … | 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 … |
| Môi trường sống | Pelagic, open ocean in the North Atlantic, from Arctic to subtropical latitudes. Highly migratory, schooling in surface to mid-water depths (0-200m). Undertakes large seasonal migrations. … | 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. … |
Aquarium Suitability
| Thuộc tính | Atlantic Herring | Discus |
|---|---|---|
| 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 | Atlantic Herring | Discus |
|---|---|---|
| Cá thể thao | Có | Không |
| Xếp hạng chiến đấu | — | — |
| Kỷ lục thế giới | — | — |
| Hàm lượng thủy ngân | — | — |
Cuisine & Edibility
Atlantic Herring
Soft, oily flesh with a rich, pronounced flavor and high omega-3 content. Culturally essential across Northern Europe — pickled, smoked, salted, or prepared as Bismarck herring or rollmops.
Discus
Not consumed — a prized ornamental aquarium fish known as the 'king of the aquarium' for its disc-shaped body and brilliant colors.
Species Overview
Atlantic Herring
The Atlantic herring is one of the most abundant fish species on Earth, forming massive schools of billions of individuals. It has played a crucial role in European history, fueling trade routes and even wars.
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.