Discus vs سمكة التنين الحمراء
Symphysodon discus مقارنةً بـ Pterois volitans
Taxonomy & Classification
| السمة | Discus | سمكة التنين الحمراء |
|---|---|---|
| الاسم العلمي | Symphysodon discus | Pterois volitans |
| الرتبة | Cichliformes | Scorpaeniformes |
| الفصيلة | Cichlidae | Scorpaenidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| السمة | Discus | سمكة التنين الحمراء |
|---|---|---|
| الطول الأقصى | 20,0 cm | 38,0 cm |
| الوزن الأقصى | 0,25 kg | 1,1 kg |
| اللون | 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
| السمة | Discus | سمكة التنين الحمراء |
|---|---|---|
| نوع الماء | Freshwater | Saltwater |
| نطاق العمق | — | 2-55m |
| النطاق الجغرافي | 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 … |
| الموطن | 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
| السمة | Discus | سمكة التنين الحمراء |
|---|---|---|
| الحد الأدنى لحجم الحوض | 250 L | — |
| درجة الحرارة | 26-30 | — |
| نطاق الرقم الهيدروجيني | 5.0-7.0 | — |
| مستوى الرعاية | Difficult | — |
| المزاج | 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.
سمكة التنين الحمراء
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.
سمكة التنين الحمراء
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.