Discus vs Cá mao tiên
Symphysodon discus so sánh với Pterois volitans
Taxonomy & Classification
| Thuộc tính | Discus | Cá mao tiên |
|---|---|---|
| Tên khoa học | Symphysodon discus | Pterois volitans |
| Bộ | Cichliformes | Scorpaeniformes |
| Họ | Cichlidae | Scorpaenidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| Thuộc tính | Discus | Cá mao tiên |
|---|---|---|
| Chiều dài tối đa | 20,0 cm | 38,0 cm |
| Cân nặng tối đa | 0,25 kg | 1,1 kg |
| Màu sắc | 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. | White to cream body with alternating bold reddish-brown and white vertical bands; fan-like pectoral fins are banded with red-brown and white spots; long dorsal spines are striped and venomous. |
Habitat & Environment
| Thuộc tính | Discus | Cá mao tiên |
|---|---|---|
| Loại nước | Freshwater | Saltwater |
| Phạm vi độ sâu | — | 2-55m |
| Phân bố địa lý | 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 the Indo-Pacific from East Africa and the Red Sea to southern Japan, Australia, and the Marquesas. Invasive in the western Atlantic and Caribbean … |
| Môi trường sống | 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, coral reefs |
Aquarium Suitability
| Thuộc tính | Discus | Cá mao tiên |
|---|---|---|
| Kích thước bể tối thiểu | 250 L | — |
| Nhiệt độ | 26-30 | — |
| Phạm vi pH | 5.0-7.0 | — |
| Mức độ chăm sóc | Difficult | — |
| Tính cách | Peaceful | — |
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.
Cá mao tiên
Sweet, buttery white flesh once spines are safely removed; increasingly promoted as a sustainable food source in Atlantic waters where it is an invasive species.
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.
Cá mao tiên
The red lionfish is a venomous coral reef fish native to the Indo-Pacific. Its ornate, striped body and fan-like pectoral fins make it popular in aquariums, but it has become a destructive invasive species in the western Atlantic and Caribbean.