Forktail Rainbowfish (Pseudomugil furcatus)

Details

Forktail Rainbowfish (Pseudomugil furcatus) – Active, Colorful Schooling Fish for Planted Aquariums

Description:

The Forktail Rainbowfish is a small, peaceful, and highly active schooling fish prized for its vibrant yellow fins, reflective silver-blue body, and distinct forked tail. Perfect for planted and community aquariums, these hardy fish add motion and shimmer to the upper levels of your tank. They thrive in groups and show their best colors when kept in schools.

Care Level: Easy

Temperament: Peaceful

Size: Up to 2.5 inches (6 cm)

Lifespan: 3–5 years with proper care

Diet: Omnivorous – thrives on high-quality micro pellets, crushed flake foods, frozen daphnia, baby brine shrimp, and other small live or frozen foods to enhance color and vitality.

Tank Size: Minimum 20 gallons

Water Parameters:

Temperature: 74–80°F (23–27°C)

pH: 6.0–7.5

Hardness: Soft to moderately hard

Behavior & Compatibility:

Forktail Rainbowfish are peaceful mid-to-top water schooling fish that thrive with other small, non-aggressive tank mates. They look best and feel secure when kept in groups of six or more. Ideal for planted tanks with gentle water flow and open swimming space.

Ideal Tank Setup:

Planted aquarium with open swimming areas

Gentle filtration and moderate current

Secure lid to prevent jumping