Discus vs Northern Snakehead

Symphysodon discus 与之比较 Channa argus

Taxonomy & Classification

属性	Discus	Northern Snakehead
学名	Symphysodon discus	Channa argus
目	Cichliformes	Perciformes
科	Cichlidae	Channidae
Conservation Status	Least Concern	Least Concern

Physical Traits

属性	Discus	Northern Snakehead
最大体长	20.0 cm	150.0 cm
最大体重	0.25 kg	8.0 kg
体色	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.	Tawny-brown to pale golden-brown body with irregular dark brown to black blotches and saddles creating a cryptic camouflage pattern; belly is pale cream; long dorsal fin is mottled dark brown.

Habitat & Environment

属性	Discus	Northern Snakehead
水质类型	Freshwater	Freshwater
栖息水深	—	—
地理分布	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 …	Native to river basins of China, Korea, and far-eastern Russia including the Amur River system. Introduced and now invasive in parts of the eastern United …
栖息地	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. …	Rivers, lakes, and ponds of East Asia (China, Korea, Russia); invasive in North America. Tolerates oxygen-poor water (15-30°C); can breathe air. Inhabits densely vegetated shallows …

Aquarium Suitability

属性	Discus	Northern Snakehead
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	Discus	Northern Snakehead
游钓鱼种	否	是
搏鱼评级	—	7/10
世界纪录	—	—
汞含量	—	—

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.

Northern Snakehead

Firm, white flesh with a mild flavor and low fat; valued in Asian cuisines, especially in soups and steamed preparations. An invasive species in North America where removal is encouraged.

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.

Northern Snakehead

The northern snakehead is an aggressive freshwater predator native to East Asia. It can breathe air and survive out of water for several days. Considered a destructive invasive species in North America, it provides exciting catch opportunities.