Forktail Rainbowfish (Pseudomugil Furcatus)

Habitat & Tank Setup

• Tank Size: Minimum of 20 gallons to accommodate their active swimming behavior 
• Water Parameters:
  • Temperature: 75–80°F (24–27°C)
  • pH: Slightly alkaline, above 7.0
  • Hardness: At least 5° GH (90 ppm)
• Aquascaping: Dense planting with open swimming areas; a secure lid is essential as they are known jumpers

Appearance & Behavior

• Size: Up to 2 inches (5 cm)
• Coloration: Males are more colorful with glowing blue eyes, yellow fins, and a forked tail. Females are less vibrant.
• Behavior: Peaceful, social, and active swimmers. Males often display courtship dances in the presence of females

Diet

• Feeding: Not picky eaters. Ideal foods include:
  • Frozen daphnia
  • Cyclops
  • Baby brine shrimp
  • High-quality micro pellets or flakes

Breeding

• Breeding Setup: Provide fine-leaved plants or spawning mops.
• Behavior: Males become more vibrant and perform displays to attract females.
• Note: They may eat their own eggs, so separating eggs or using a breeding tank is recommended.

Tank Mates

• Ideal companions include:
  • Corydoras
  • Tetras
  • Rasboras
  • Peaceful shrimp (though baby shrimp may be eaten)
• Can sometimes coexist with bettas, depending on the betta’s temperament