Wels Catfish vs Zebra Danio
Silurus glanis so sánh với Danio rerio
Taxonomy & Classification
| Thuộc tính | Wels Catfish | Zebra Danio |
|---|---|---|
| Tên khoa học | Silurus glanis | Danio rerio |
| Bộ | Siluriformes | Cypriniformes |
| Họ | Siluridae | Danionidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| Thuộc tính | Wels Catfish | Zebra Danio |
|---|---|---|
| Chiều dài tối đa | 500,0 cm | 5,0 cm |
| Cân nặng tối đa | 300,0 kg | 0,001 kg |
| Màu sắc | Dark olive-green to slate-gray back with irregular mottled marbling of darker blotches; flanks grade to olive-yellow; scaleless smooth skin; belly pale cream to yellowish-white; head broad and flat. | Silver to pale gold body with five continuous horizontal royal-blue stripes running from gill to tail tip, including through the fins; belly silvery-white; fins clear with blue-gold striping. |
Habitat & Environment
| Thuộc tính | Wels Catfish | Zebra Danio |
|---|---|---|
| Loại nước | Brackish | Freshwater |
| Phạm vi độ sâu | 0-30m | — |
| Phân bố địa lý | Native to large river systems and lakes of central and eastern Europe from the Rhine basin east to the Caspian and Aral sea drainages. Introduced … | Native to the Ganges and Brahmaputra river basins of Bangladesh, India, Nepal, and Myanmar. Inhabits fast-flowing hill streams, rice paddies, and shallow ponds across the … |
| Môi trường sống | Large rivers, lakes, and reservoirs across Europe and Asia (Volga, Danube, Rhine, Ob). Inhabits deep, slow-moving freshwater with soft substrates. Tolerates turbid water (15-25°C). Highly … | Fast-flowing, clear mountain streams of the Ganges-Brahmaputra region, India and Bangladesh. Clean, well-oxygenated, shallow water with sandy and gravelly substrate (18-26°C). Lab model organism. |
Aquarium Suitability
| Thuộc tính | Wels Catfish | Zebra Danio |
|---|---|---|
| Kích thước bể tối thiểu | — | 40 L |
| Nhiệt độ | — | 18-24 |
| Phạm vi pH | — | 6.0-8.0 |
| Mức độ chăm sóc | — | Easy |
| Tính cách | — | Peaceful |
Thông tin câu cá
| Thuộc tính | Wels Catfish | Zebra Danio |
|---|---|---|
| Cá thể thao | Có | Không |
| Xếp hạng chiến đấu | 9/10 | — |
| Kỷ lục thế giới | — | — |
| Hàm lượng thủy ngân | — | — |
Cuisine & Edibility
Wels Catfish
Fatty, soft flesh with a mild, slightly sweet flavor; quality improves from cold, clean water fish. Popular in Central European cuisines — commonly smoked, fried, or braised with vegetables.
Zebra Danio
Not consumed — a hardy ornamental aquarium fish notable for its horizontal blue-silver stripes and active schooling behavior; also a widely used laboratory model organism.
Species Overview
Wels Catfish
The wels catfish is the largest freshwater fish in Europe, capable of exceeding 5 meters. Found in large rivers and lakes across the continent, it has been documented beaching itself to catch pigeons. It can live over 80 years.
Zebra Danio
The zebrafish is a small cyprinid native to South Asia's freshwater streams. Its distinctive blue-and-gold horizontal stripes and hardy nature make it a popular aquarium fish. It is also the most widely used vertebrate model organism in genetic research.