Oscar vs Zebra Danio
Astronotus ocellatus comparé à Danio rerio
Taxonomy & Classification
| Attribut | Oscar | Zebra Danio |
|---|---|---|
| Nom scientifique | Astronotus ocellatus | Danio rerio |
| Ordre | Cichliformes | Cypriniformes |
| Famille | Cichlidae | Danionidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| Attribut | Oscar | Zebra Danio |
|---|---|---|
| Longueur maximale | 45,0 cm | 5,0 cm |
| Poids maximum | 1,6 kg | 0,001 kg |
| Couleur | Dark olive-brown to blackish body with irregular wavy orange-red markings forming a marbled or reticulated pattern; prominent black ocellus with orange ring at the upper tail base. | 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
| Attribut | Oscar | Zebra Danio |
|---|---|---|
| Type d'eau | Freshwater | Freshwater |
| Plage de profondeur | — | — |
| Aire de répartition | Native to the Amazon and Orinoco river basins in South America, including Peru, Colombia, and Brazil. Inhabits slow, deep, turbid rivers, flooded forests, and large … | 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 … |
| Habitat | Slow-moving rivers and floodplains of the Amazon and Orinoco basins, South America. Warm, murky water (22-28°C, pH 6-8). Inhabits areas with submerged logs and dense … | 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
| Attribut | Oscar | Zebra Danio |
|---|---|---|
| Taille minimale de l'aquarium | 280 L | 40 L |
| Température | 22-25 | 18-24 |
| Plage de pH | 6.0-8.0 | 6.0-8.0 |
| Niveau d'entretien | Moderate | Easy |
| Tempérament | Aggressive | Peaceful |
Informations sur la pêche
| Attribut | Oscar | Zebra Danio |
|---|---|---|
| Poisson de pêche sportive | Oui | Non |
| Cote de combativité | — | — |
| Record du monde | — | — |
| Teneur en mercure | — | — |
Cuisine & Edibility
Oscar
Not consumed — popular ornamental cichlid kept for its bold patterning and personality; occasionally eaten in parts of South America but primarily an aquarium species.
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
Oscar
The oscar is a large, intelligent cichlid native to the Amazon basin. Known for its dog-like personality, it can recognize its owner and may beg for food. Oscars rearrange their tank decor and require spacious aquariums with robust filtration.
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.