Common Carp vs Discus
Cyprinus carpio compared with Symphysodon discus
Taxonomy & Classification
| Attribute | Common Carp | Discus |
|---|---|---|
| Scientific Name | Cyprinus carpio | Symphysodon discus |
| Order | Cypriniformes | Cichliformes |
| Family | Cyprinidae | Cichlidae |
| Conservation Status | Vulnerable | Least Concern |
Physical Traits
| Attribute | Common Carp | Discus |
|---|---|---|
| Max Length | 120.0 cm | 20.0 cm |
| Max Weight | 40.1 kg | 0.25 kg |
| Color | Olive-brown to dark greenish-bronze back with large golden-yellow scales on the sides; belly yellowish-white; fins are grayish to dark olive; scales have a faint darker edge giving a reticulated look. | 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
| Attribute | Common Carp | Discus |
|---|---|---|
| Water Type | Brackish | Freshwater |
| Depth Range | 0-29m | — |
| Geographic Range | Native to the Danube and Caspian Sea drainages of central Europe and western Asia. Introduced globally; now one of the most widely distributed freshwater fish … | 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 | Rivers, lakes, and reservoirs across Asia; introduced globally. Highly adaptable; tolerates turbid, warm, low-oxygen water (4-30°C). Prefers slow-moving water over silty substrates. Important aquaculture species. | 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
| Attribute | Common Carp | Discus |
|---|---|---|
| Min Tank Size | — | 250 L |
| Temperature | — | 26-30 |
| pH Range | — | 5.0-7.0 |
| Care Level | — | Difficult |
| Temperament | — | Peaceful |
Fishing Information
| Attribute | Common Carp | Discus |
|---|---|---|
| Game Fish | Yes | No |
| Fight Rating | — | — |
| World Record | — | — |
| Mercury Level | — | — |
Cuisine & Edibility
Common Carp
Dense, moderately fatty flesh with an earthy flavor; improves greatly when sourced from clean, cold water. Central European staple — traditionally braised, fried, or prepared as gefilte fish.
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
Common Carp
The common carp is one of the most widely introduced freshwater fish globally. Originally domesticated in East Asia over 2,000 years ago, it is a sacred fish in many cultures and the primary target species in European coarse fishing.
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.