речной угорь vs Zebra Danio
Anguilla anguilla в сравнении с Danio rerio
Taxonomy & Classification
| Характеристика | речной угорь | Zebra Danio |
|---|---|---|
| Научное название | Anguilla anguilla | Danio rerio |
| Отряд | Anguilliformes | Cypriniformes |
| Семейство | Anguillidae | Danionidae |
| Conservation Status | Critically Endangered | Least Concern |
Physical Traits
| Характеристика | речной угорь | Zebra Danio |
|---|---|---|
| Максимальная длина | 133,0 cm | 5,0 cm |
| Максимальный вес | 6,6 kg | 0,001 kg |
| Окраска | Yellow-olive to olive-brown back and sides in the freshwater 'yellow eel' phase; maturing 'silver eel' phase develops a dark gray-black back with a silvery-white belly and enlarged eyes. | 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
| Характеристика | речной угорь | Zebra Danio |
|---|---|---|
| Тип воды | Freshwater & Saltwater | Freshwater |
| Диапазон глубин | 0-700m | — |
| Ареал обитания | Spawns in the Sargasso Sea and larvae drift to European and North African coasts on the Gulf Stream. Adults inhabit rivers, lakes, and coastal waters … | 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 … |
| Среда обитания | Estuaries | 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
| Характеристика | речной угорь | Zebra Danio |
|---|---|---|
| Минимальный объём аквариума | — | 40 L |
| Температура | — | 18-24 |
| Диапазон pH | — | 6.0-8.0 |
| Уровень сложности содержания | — | Easy |
| Темперамент | — | Peaceful |
Информация о рыболовстве
| Характеристика | речной угорь | Zebra Danio |
|---|---|---|
| Спортивная рыба | Да | Нет |
| Боевой рейтинг | — | — |
| Мировой рекорд | — | — |
| Содержание ртути | — | — |
Cuisine & Edibility
речной угорь
Rich, fatty flesh with a distinctive earthy flavor; classically smoked, jellied (in Britain), or grilled kabayaki-style. Critically Endangered — consumption strongly discouraged; population down 90%.
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
речной угорь
The European eel undertakes one of nature's most remarkable migrations, traveling 5,000 km from European rivers to the Sargasso Sea to spawn and die. Despite centuries of study, its breeding grounds were only recently confirmed.
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.