Greater Amberjack vs Oscar
Seriola dumerili compared with Astronotus ocellatus
Taxonomy & Classification
| Attribute | Greater Amberjack | Oscar |
|---|---|---|
| Scientific Name | Seriola dumerili | Astronotus ocellatus |
| Order | Carangiformes | Cichliformes |
| Family | Carangidae | Cichlidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| Attribute | Greater Amberjack | Oscar |
|---|---|---|
| Max Length | 200.0 cm | 45.0 cm |
| Max Weight | 80.6 kg | 1.6 kg |
| Color | Olive-green to bluish back with a wide amber to golden-yellow mid-lateral stripe running from eye to tail; silvery-white belly; a dark diagonal stripe extends from snout through the eye to the dorsal fin. | 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. |
Habitat & Environment
| Attribute | Greater Amberjack | Oscar |
|---|---|---|
| Water Type | Saltwater | Freshwater |
| Depth Range | 1-385m | — |
| Geographic Range | Circumglobal in tropical and subtropical waters including the Atlantic, Mediterranean Sea, Indian Ocean, and Pacific. Commonly found around deepwater reefs, rocky outcrops, and offshore oil … | 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 … |
| Habitat | Pelagic, coral reefs | 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 … |
Aquarium Suitability
| Attribute | Greater Amberjack | Oscar |
|---|---|---|
| Min Tank Size | — | 280 L |
| Temperature | — | 22-25 |
| pH Range | — | 6.0-8.0 |
| Care Level | — | Moderate |
| Temperament | — | Aggressive |
Fishing Information
| Attribute | Greater Amberjack | Oscar |
|---|---|---|
| Game Fish | Yes | Yes |
| Fight Rating | 9/10 | — |
| World Record | — | — |
| Mercury Level | — | — |
Cuisine & Edibility
Greater Amberjack
Firm, rich flesh with a moderately strong flavor; can carry parasites in tropical waters, requiring thorough cooking. Good grilled or baked; related to the highly prized Japanese hamachi.
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.
Species Overview
Greater Amberjack
The greater amberjack is the largest of the jacks, known for brutal head-shaking fights and powerful dives toward structure. Found near reefs, wrecks, and offshore platforms in tropical and subtropical waters worldwide.
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.