Discus vs Grand requin blanc
Symphysodon discus comparé à Carcharodon carcharias
Taxonomy & Classification
| Attribut | Discus | Grand requin blanc |
|---|---|---|
| Nom scientifique | Symphysodon discus | Carcharodon carcharias |
| Ordre | Cichliformes | Lamniformes |
| Famille | Cichlidae | Lamnidae |
| Conservation Status | Least Concern | Vulnerable |
Physical Traits
| Attribut | Discus | Grand requin blanc |
|---|---|---|
| Longueur maximale | 20,0 cm | 600,0 cm |
| Poids maximum | 0,25 kg | 1905,0 kg |
| Couleur | 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. | Classic countershaded coloration: slate-gray to charcoal-brown dorsal surface with a sharply defined boundary to a pure white ventral surface; pectoral fin tips dusky to black. |
Habitat & Environment
| Attribut | Discus | Grand requin blanc |
|---|---|---|
| Type d'eau | Freshwater | Saltwater |
| Plage de profondeur | — | 0-1280m |
| Aire de répartition | 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 … | Cosmopolitan in cool to warm coastal and offshore waters of all major oceans. Key aggregation sites include South Africa, California, South Australia, and New Zealand. … |
| Habitat | 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. … | Neritic, estuaries |
Aquarium Suitability
| Attribut | Discus | Grand requin blanc |
|---|---|---|
| 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 | Discus | Grand requin blanc |
|---|---|---|
| Poisson de pêche sportive | Non | Oui |
| Cote de combativité | — | — |
| Record du monde | — | — |
| Teneur en mercure | — | — |
Cuisine & Edibility
Discus
Not consumed — a prized ornamental aquarium fish known as the 'king of the aquarium' for its disc-shaped body and brilliant colors.
Grand requin blanc
Edible but rarely consumed; flesh requires careful handling to remove ammonia. Consumption is strongly discouraged — this species is Vulnerable and protected in many jurisdictions.
Species Overview
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.
Grand requin blanc
The great white shark is the world's largest predatory fish. Found in coastal surface waters of all major oceans, it can detect a single drop of blood in 100 liters of water. Despite its fearsome reputation, attacks on humans are rare.