Origins and Classification
- Scientific Name: Poecilia sphenops (Marbled variety)
- Family: Poeciliidae (Livebearers)
- Origin: Found naturally in Central and South America, inhabiting warm streams, rivers, and brackish coastal waters. The Marbled Molly is a selectively bred variation known for its mottled coloration.
- Popularity: Highly popular for its striking black-and-white marbled pattern, peaceful nature, and beginner-friendly care requirements.
🎨 Appearance
- Color: Unique marble-style pattern with black, white, silver, and sometimes gold patches.
- Structure:
- Slender, streamlined body with a slightly pointed mouth.
- Males have a gonopodium and may appear more slender.
- Females are larger with a rounded belly.
- Size:
- Males: 3–4 inches (7–10 cm)
- Females: 4–5 inches (10–12 cm)
- Lifespan: 3–5 years with proper care and clean water conditions.
🏡 Tank Requirements
- Tank Size: Minimum 20 gallons (larger recommended for groups).
- Water Parameters:
- Temperature: 72–82°F (22–28°C)
- pH: 7.5–8.5 (alkaline preferred)
- Hardness: 10–25 dGH
- Lighting: Moderate to bright; enhances the marbled contrast.
- Substrate: Fine gravel or sand.
- Habitat Setup:
- Add live plants such as Anubias, Hornwort, or Vallisneria.
- Keep open swimming space in the center of the tank.
- Optional: Add a small amount of aquarium salt to mimic their natural brackish environment.
