Rainbow Furcatus

Rainbow Furcatus / Forktail Rainbowfish (Pseudomugil furcatus)

The Rainbow Furcatus, also known as the Forktail Rainbowfish, is a small and vibrant freshwater species known for its shimmering silver-blue body, bright yellow stripe, and uniquely forked tail. With its active swimming and eye-catching colors, this fish adds movement and brightness to any planted aquarium.

It is peaceful, hardy, and perfect for community tanks.

Water Parameters

• Temperature: 74–80°F (23–27°C)
  Ideal range: 75–78°F
• pH: 6.5 – 7.5
• Water Hardness: Soft to moderately hard
• Tank Size: Minimum 10–20 gallons
• Group Size: Keep in schools of 6 or more

Diet & Feeding

Rainbow Furcatus are omnivores with a preference for small foods.

Staple Foods:

• High-quality micro pellets or flakes

Protein / Foods:

• Baby brine shrimp
• Daphnia
• Micro worms

Feeding Tips:

• Feed 1–2 times daily
• Offer small-sized foods due to their small mouths
• Provide a varied diet for best color and health

Behavior & Tank Mates

• Peaceful and social
• Active mid-to-top swimmers
• Best kept in groups to reduce stress and enhance behavior

Compatible Tank Mates:

• Tetras
• Rasboras
• Corydoras
• Other small peaceful fish

Avoid:

• Aggressive fish
• Large fish that may outcompete or eat them

Tank Setup

• Planted aquarium with open swimming space
• Gentle to moderate water flow
• Well-lit tank enhances coloration

Key Benefits

• Bright yellow and blue coloration
• Unique forked tail shape
• Peaceful and beginner-friendly
• Great for planted and community tanks