Atlantic Halibut vs Goliath Grouper
Hippoglossus hippoglossus compared with Epinephelus itajara
Taxonomy & Classification
| Attribute | Atlantic Halibut | Goliath Grouper |
|---|---|---|
| Scientific Name | Hippoglossus hippoglossus | Epinephelus itajara |
| Order | Pleuronectiformes | Perciformes/Serranoidei |
| Family | Pleuronectidae | Epinephelidae |
| Conservation Status | Endangered | Vulnerable |
Physical Traits
| Attribute | Atlantic Halibut | Goliath Grouper |
|---|---|---|
| Max Length | 470.0 cm | 250.0 cm |
| Max Weight | 320.0 kg | 363.0 kg |
| Color | Eyed side is olive-brown to dark greenish-brown with mottled paler blotches providing camouflage; blind underside is pure white; lateral line distinctly arched over the pectoral fin. | Yellow-brown to olive-green body densely covered with small dark brown spots and irregular blotches; 3–4 faint pale vertical bands on the flanks; juveniles show bolder contrasting yellow and black stripes. |
Habitat & Environment
| Attribute | Atlantic Halibut | Goliath Grouper |
|---|---|---|
| Water Type | Saltwater | Saltwater |
| Depth Range | 50-2000m | 0-100m |
| Geographic Range | North Atlantic from Labrador and Greenland east to Iceland, Norway, the Barents Sea, and the British Isles. Found on sandy and gravel bottoms at depths … | Tropical western Atlantic from Florida and the Gulf of Mexico through the Caribbean Sea to Brazil, and eastern Pacific from the Gulf of California to … |
| Habitat | Neritic | Neritic, coral reefs, estuaries |
Fishing Information
| Attribute | Atlantic Halibut | Goliath Grouper |
|---|---|---|
| Game Fish | Yes | Yes |
| Fight Rating | 7/10 | 9/10 |
| World Record | — | — |
| Mercury Level | — | — |
Cuisine & Edibility
Atlantic Halibut
Firm, meaty white flesh with a mild, sweet flavor and very low fat. Endangered status — sustainable sourcing essential; superb pan-seared, poached in butter, or roasted with aromatics.
Goliath Grouper
Firm, flaky white flesh with a mild, sweet flavor; harvest is heavily restricted or banned throughout most of its range due to Vulnerable status. Catch-and-release strongly encouraged.
Species Overview
Atlantic Halibut
The Atlantic halibut is the largest flatfish in the world, capable of exceeding 300 kg. Both eyes are on the right side of its body. It is a slow-growing, long-lived species that has suffered severe overfishing.
Goliath Grouper
The goliath grouper is the largest grouper in the Atlantic Ocean. This massive reef dweller can swallow prey whole and produces a distinctive booming sound by contracting its swim bladder to ward off intruders.