Discus vs Great Barracuda
Symphysodon discus compared with Sphyraena barracuda
Taxonomy & Classification
| Attribute | Discus | Great Barracuda |
|---|---|---|
| Scientific Name | Symphysodon discus | Sphyraena barracuda |
| Order | Cichliformes | Perciformes |
| Family | Cichlidae | Sphyraenidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| Attribute | Discus | Great Barracuda |
|---|---|---|
| Max Length | 20.0 cm | 200.0 cm |
| Max Weight | 0.25 kg | 50.0 kg |
| Color | 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. | Steel-gray to dark gunmetal-blue back with a pale silvery-white belly; scattered irregular dark blotches on the lower flanks; tail fin is grayish with whitish tips on both lobes. |
Habitat & Environment
| Attribute | Discus | Great Barracuda |
|---|---|---|
| Water Type | Freshwater | Saltwater |
| Depth Range | — | 0-100m |
| Geographic Range | 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 … | Circumtropical in shallow coastal waters of the Atlantic, Indian, and Pacific oceans. Frequents coral reefs, seagrass beds, and estuaries from Florida and the Caribbean to … |
| 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. … | Pelagic, coral reefs, estuaries |
Aquarium Suitability
| Attribute | Discus | Great Barracuda |
|---|---|---|
| Min Tank Size | 250 L | — |
| Temperature | 26-30 | — |
| pH Range | 5.0-7.0 | — |
| Care Level | Difficult | — |
| Temperament | Peaceful | — |
Fishing Information
| Attribute | Discus | Great Barracuda |
|---|---|---|
| Game Fish | No | Yes |
| Fight Rating | — | 7/10 |
| World Record | — | — |
| Mercury Level | — | — |
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.
Great Barracuda
Firm, lean white flesh with a mild flavor when small; larger individuals risk ciguatera fish poisoning and are generally avoided. Smaller fish eaten grilled or fried in the Caribbean.
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.
Great Barracuda
The great barracuda is a fearsome-looking predator found in tropical and subtropical oceans. With its torpedo-shaped body, pronounced underbite, and fang-like teeth, it can strike prey at speeds exceeding 58 km/h.