Flétan de l'Atlantique vs Discus
Hippoglossus hippoglossus comparé à Symphysodon discus
Taxonomy & Classification
| Attribut | Flétan de l'Atlantique | Discus |
|---|---|---|
| Nom scientifique | Hippoglossus hippoglossus | Symphysodon discus |
| Ordre | Pleuronectiformes | Cichliformes |
| Famille | Pleuronectidae | Cichlidae |
| Conservation Status | Endangered | Least Concern |
Physical Traits
| Attribut | Flétan de l'Atlantique | Discus |
|---|---|---|
| Longueur maximale | 470,0 cm | 20,0 cm |
| Poids maximum | 320,0 kg | 0,25 kg |
| Couleur | 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. | Deep-bodied disc shape with vibrant turquoise-blue wavy horizontal lines over a reddish-brown to orange-brown base; fins edged in vivid blue with red striping; wild forms show 9 dark vertical bars. |
Habitat & Environment
| Attribut | Flétan de l'Atlantique | Discus |
|---|---|---|
| Type d'eau | Saltwater | Freshwater |
| Plage de profondeur | 50-2000m | — |
| Aire de répartition | 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 … | Restricted to the central Amazon River basin in Brazil, particularly around the confluence of the Rio Negro and Rio Solimões. Prefers warm, soft, highly acidic … |
| Habitat | Neritic | Warm, blackwater rivers of the Amazon basin, particularly the Rio Negro and tributaries. Prefers soft, acidic water (pH 4.5-6.5, 26-31°C) with driftwood and minimal current. … |
Aquarium Suitability
| Attribut | Flétan de l'Atlantique | Discus |
|---|---|---|
| Taille minimale de l'aquarium | — | 250 L |
| Température | — | 26-30 |
| Plage de pH | — | 5.0-7.0 |
| Niveau d'entretien | — | Difficult |
| Tempérament | — | Peaceful |
Informations sur la pêche
| Attribut | Flétan de l'Atlantique | Discus |
|---|---|---|
| Poisson de pêche sportive | Oui | Non |
| Cote de combativité | 7/10 | — |
| Record du monde | — | — |
| Teneur en mercure | — | — |
Cuisine & Edibility
Flétan de l'Atlantique
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.
Discus
Not consumed — a prized ornamental aquarium fish known as the 'king of the aquarium' for its disc-shaped body and brilliant colors.
Species Overview
Flétan de l'Atlantique
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.
Discus
The discus is often called the 'King of the Aquarium' for its disc-shaped body and stunning color patterns. Native to the Amazon floodplains, it requires warm, soft, acidic water and feeds its fry with a mucus secretion from its skin.