Overview
The Paradise Fish (Macropodus opercularis) is a beginner freshwater species known for its blue, red-orange stripes coloration. Cold-tolerant. Top to Mid.
Origin & Appearance
Origin: East Asia.
Colors: Blue, Red-Orange stripes.
Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 10.0 x 1.8 x 3.0.
Sexual Dimorphism: Strong; males much more vivid blue-red stripes, longer fins.
Tank & Water Requirements
| Min Tank Size | 20 gallons |
| Temperature | 61–79°F |
| pH Range | 6–8 |
| Water Hardness (GH) | 5-20 |
| Bioload | medium |
| Oxygen Demand | low |
| Plant Safe | mostly |
| Aquarium Position | Top to Mid |
Behavior & Activity
Active mid-level swimmer; energetic patrol with aggressive chasing; males flare and display; hardy and bold movement
Speed: 45/100Aggression: 5/10diurnal
Breeding
Easy; bubble nest builder; cold tolerant
Common Diseases
💊 Very hardy
Expert Notes
Cold-tolerant; first tropical fish kept