Channel Catfish vs Discus
Ictalurus punctatus 与之比较 Symphysodon discus
Taxonomy & Classification
| 属性 | Channel Catfish | Discus |
|---|---|---|
| 学名 | Ictalurus punctatus | Symphysodon discus |
| 目 | Siluriformes | Cichliformes |
| 科 | Ictaluridae | Cichlidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| 属性 | Channel Catfish | Discus |
|---|---|---|
| 最大体长 | 132.0 cm | 20.0 cm |
| 最大体重 | 26.0 kg | 0.25 kg |
| 体色 | Blue-gray to olive-gray back with silvery-white sides; scattered small black spots on the flanks in juveniles that fade with age; belly creamy-white; deeply forked tail fin is uniformly grayish. | 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
| 属性 | Channel Catfish | Discus |
|---|---|---|
| 水质类型 | Freshwater | Freshwater |
| 栖息水深 | 0-15m | — |
| 地理分布 | Native to the central and eastern United States and southern Canada, from the Great Lakes south through the Mississippi River basin to the Gulf Coast. … | 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 … |
| 栖息地 | Estuaries | 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
| 属性 | Channel Catfish | Discus |
|---|---|---|
| 最小水箱尺寸 | — | 250 L |
| 水温 | — | 26-30 |
| pH 范围 | — | 5.0-7.0 |
| 饲养难度 | — | Difficult |
| 性情 | — | Peaceful |
钓鱼信息
| 属性 | Channel Catfish | Discus |
|---|---|---|
| 游钓鱼种 | 是 | 否 |
| 搏鱼评级 | 5/10 | — |
| 世界纪录 | — | — |
| 汞含量 | — | — |
Cuisine & Edibility
Channel Catfish
Firm, moist white flesh with a mild, sweet flavor and very low fat. A Southern U.S. staple — beloved deep-fried with cornmeal batter; also excellent grilled or blackened.
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
Channel Catfish
The channel catfish is the most abundant and widely fished catfish species in North America. It has a keen sense of smell, with taste buds distributed across its entire body, enabling it to locate food in murky water.
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.