Origins and Classification
- Scientific Name: Betta splendens (Mustard Gas variety)
- Family: Osphronemidae (Gouramis and Labyrinth Fish)
- Origin: Originally from the shallow rice paddies and slow-moving waters of Thailand, Cambodia, Laos, and Vietnam. The Mustard Gas Betta is a selectively bred color variant developed for its striking contrast and elegance.
- Popularity: Highly prized among aquarists for its intense blue-green body and bright yellow fins, making it one of the most visually stunning Betta varieties.
🎨 Appearance
- Color: Metallic blue or green body contrasted by vivid yellow or golden fins, often edged with dark borders.
- Structure:
- Males feature long, flowing fins and a bold, defined color separation between body and tail.
- Females are smaller and less flamboyant but retain beautiful hues.
- Size: Typically 2.5–3 inches (6–8 cm).
- Lifespan: 3–5 years with proper care and stable water quality.
🏡 Tank Requirements
- Tank Size: Minimum 5 gallons for a single male Betta.
- Water Parameters:
- Temperature: 76–82°F (24–28°C)
- pH: 6.5–7.5
- Hardness: 5–15 dGH
- Lighting: Moderate; accentuates the Betta’s iridescent colors.
- Substrate: Fine gravel or sand.
- Habitat Setup:
- Provide plants and decorations for hiding and resting.
- Gentle filtration — Betta prefer calm water.
- Floating plants help create a natural environment.
- Always keep a secure lid; Bettas can jump.



