Blue Marlin vs Mahi-mahi
Makaira nigricans compared with Coryphaena hippurus
Taxonomy & Classification
| Attribute | Blue Marlin | Mahi-mahi |
|---|---|---|
| Scientific Name | Makaira nigricans | Coryphaena hippurus |
| Order | Istiophoriformes | Carangiformes |
| Family | Istiophoridae | Coryphaenidae |
| Conservation Status | Vulnerable | Least Concern |
Physical Traits
| Attribute | Blue Marlin | Mahi-mahi |
|---|---|---|
| Max Length | 500.0 cm | 210.0 cm |
| Max Weight | 636.0 kg | 40.0 kg |
| Color | Deep cobalt-blue back transitioning to silvery-white belly; flanks display 15 or more pale vertical iridescent bars that fade rapidly after death; dorsal fin vivid cobalt. | 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. |
Habitat & Environment
| Attribute | Blue Marlin | Mahi-mahi |
|---|---|---|
| Water Type | Saltwater | Saltwater |
| Depth Range | 0-1000m | 0-85m |
| Geographic Range | Circumglobal in tropical and subtropical Atlantic, Indian, and Pacific oceans. Highly migratory, frequenting open blue-water environments from the Gulf Stream and Caribbean to the equatorial … | 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 … |
| Habitat | Open ocean (epipelagic to mesopelagic, 0-200m) in tropical and subtropical Atlantic, Pacific, and Indian Oceans. Migratory; follows warm currents and thermoclines. Spawns in open oceanic … | Neritic, pelagic, coral reefs |
Fishing Information
| Attribute | Blue Marlin | Mahi-mahi |
|---|---|---|
| Game Fish | Yes | Yes |
| Fight Rating | 10/10 | 7/10 |
| World Record | — | — |
| Mercury Level | — | — |
Cuisine & Edibility
Blue Marlin
Firm, mildly flavored meat with moderate fat; often used in Hawaii as smoked marlin or grilled steaks. A prized sport catch; consumption is moderate due to Vulnerable status.
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.
Species Overview
Blue Marlin
The blue marlin is the pinnacle of big-game fishing. Found in tropical and temperate Atlantic and Indo-Pacific waters, it can exceed 500 kg and is known for spectacular aerial displays when hooked.
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.