Mahi-mahi vs Oscar
Coryphaena hippurus compared with Astronotus ocellatus
Taxonomy & Classification
| Attribute | Mahi-mahi | Oscar |
|---|---|---|
| Scientific Name | Coryphaena hippurus | Astronotus ocellatus |
| Order | Carangiformes | Cichliformes |
| Family | Coryphaenidae | Cichlidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| Attribute | Mahi-mahi | Oscar |
|---|---|---|
| Max Length | 210.0 cm | 45.0 cm |
| Max Weight | 40.0 kg | 1.6 kg |
| Color | Dazzling iridescent blue-green and gold flanks; males have a blunt squared-off head; flanks flicker golden-yellow to electric blue when alive, fading to dull gray-green at death. | 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 | Mahi-mahi | Oscar |
|---|---|---|
| Water Type | Saltwater | Freshwater |
| Depth Range | 0-85m | — |
| Geographic Range | Worldwide in tropical and subtropical oceanic waters of the Atlantic, Pacific, and Indian oceans. Highly pelagic; gathers around floating sargassum mats, current lines, and thermocline … | 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 | Neritic, 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 | Mahi-mahi | Oscar |
|---|---|---|
| Min Tank Size | — | 280 L |
| Temperature | — | 22-25 |
| pH Range | — | 6.0-8.0 |
| Care Level | — | Moderate |
| Temperament | — | Aggressive |
Fishing Information
| Attribute | Mahi-mahi | Oscar |
|---|---|---|
| Game Fish | Yes | Yes |
| Fight Rating | 7/10 | — |
| World Record | — | — |
| Mercury Level | — | — |
Cuisine & Edibility
Mahi-mahi
Firm, slightly sweet flesh with large, moist flakes and low fat. Excellent grilled, blackened Cajun-style, or in tacos; one of the most popular sport fish for the table.
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
Mahi-mahi
The mahi-mahi, also known as dorado or dolphinfish, is among the most colorful pelagic fish in the ocean. Its iridescent blue, green, and gold body fades rapidly after death. It is a fast-growing species, rarely living beyond five years.
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.