Overview
The Betta / Siamese Fighting Fish (Betta splendens) is a beginner freshwater species known for its multi-color (red, blue, white, black etc.) coloration. Males are aggressive to each other. Top to Mid.
Origin & Appearance
Origin: Southeast Asia.
Colors: Multi-color (Red, Blue, White, Black etc.).
Body Shape: Moderately Compressed (oval-flat). Typical adult dimensions: 7.0 x 1.1 x 3.1.
Sexual Dimorphism: Strong; males have massive long fins and vivid colors; females dull with short fins.
Tank & Water Requirements
| Min Tank Size | 5 gallons |
| Temperature | 75–86°F |
| pH Range | 6–7.5 |
| Water Hardness (GH) | 3-12 |
| Bioload | low |
| Oxygen Demand | low |
| Plant Safe | yes |
| Aquarium Position | Top to Mid |
Behavior & Activity
Slow elegant drifter; long flowing fins trail behind; pauses to inspect surroundings; flares at reflections; labored swimming due to heavy finnage
Speed: 30/100Aggression: 6/10diurnal
Breeding
Easy; bubble nest builder; male guards eggs
Common Diseases
💊 Fin rot💊 ich💊 velvet💊 dropsy
Expert Notes
Males are aggressive to each other