Atlantic Cod vs Zebra Danio
Gadus morhua compared with Danio rerio
Taxonomy & Classification
| Attribute | Atlantic Cod | Zebra Danio |
|---|---|---|
| Scientific Name | Gadus morhua | Danio rerio |
| Order | Gadiformes | Cypriniformes |
| Family | Gadidae | Danionidae |
| Conservation Status | Vulnerable | Least Concern |
Physical Traits
| Attribute | Atlantic Cod | Zebra Danio |
|---|---|---|
| Max Length | 200.0 cm | 5.0 cm |
| Max Weight | 96.0 kg | 0.001 kg |
| Color | Brown to olive-green or grayish back densely speckled with small pale spots; pale lateral line clearly visible; belly white to cream; three distinct dorsal fins and two anal fins are yellowish-tan. | 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
| Attribute | Atlantic Cod | Zebra Danio |
|---|---|---|
| Water Type | Saltwater | Freshwater |
| Depth Range | 0-600m | — |
| Geographic Range | North Atlantic from the Labrador Sea and Grand Banks of Newfoundland east to Iceland, Norway, and the Barents Sea. Historically abundant on the Georges and … | 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 | Neritic, 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
| Attribute | Atlantic Cod | Zebra Danio |
|---|---|---|
| Min Tank Size | — | 40 L |
| Temperature | — | 18-24 |
| pH Range | — | 6.0-8.0 |
| Care Level | — | Easy |
| Temperament | — | Peaceful |
Fishing Information
| Attribute | Atlantic Cod | Zebra Danio |
|---|---|---|
| Game Fish | Yes | No |
| Fight Rating | — | — |
| World Record | — | — |
| Mercury Level | — | — |
Cuisine & Edibility
Atlantic Cod
Iconic mild white flesh, low fat, and a flaky texture; the backbone of fish-and-chips and salt cod traditions worldwide. Currently Vulnerable; sustainable sourcing is strongly recommended.
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
Atlantic Cod
The Atlantic cod is one of the most historically important commercial fish species. Its mild, flaky white flesh has been a staple food in Europe for centuries. Overfishing caused the collapse of the Grand Banks fishery in 1992.
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.