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Forktail rainbowfish - Pseudomugil furcatus

Forktail rainbowfish - Pseudomugil furcatus

Scientific name: Pseudomugil furcatus

Common name: Forktail rainbowfish

Family: Pseudomugilidae

Usual size in fish tanks: 4 - 5 cm (1.57 - 1.97 inch)

014

Recommended pH range for the species: 7 - 8

Recommended water hardness (dGH): 8 - 18°N (142.86 - 321.43ppm)

0°C 32°F30°C 86°F

Recommended temperature: 22 - 24 °C (71.6 - 75.2°F)

The way how these fish reproduce: Spawning

Where the species comes from: Oceania

Temperament to its own species: peaceful

Temperament toward other fish species: peaceful

Usual place in the tank: Top levels

Origin

The Forktail Rainbowfish (Pseudomugil furcatus) originates from the rainforest streams of Papua New Guinea. It inhabits clear, slow-moving waters with dense vegetation, making it a perfect candidate for a planted aquarium.

Feeding

Forktail Rainbowfish are omnivorous and should be offered a varied diet for optimal health. While they will readily accept high-quality flakes, supplement their diet with vegetable-based granules, small live foods like brine shrimp or daphnia, and occasional treats of finely chopped vegetables. This variety not only enhances their color but also ensures they receive essential nutrients.

Sexing

Distinguishing between males and females is relatively easy. Males exhibit brighter colors, particularly in their fins, which often appear more vibrant and elongated compared to females. The females, while still colorful, tend to have smaller, less vivid fins.

Breeding

Forktail Rainbowfish are prolific egg-layers, known to scatter their eggs among plants, rocks, and other surfaces in the aquarium. To encourage breeding, provide plenty of fine-leaved plants such as Java moss or spawning mops, where the female can deposit her eggs. After spawning, it's best to remove the parents, as they may eat the eggs. The eggs typically hatch in 10-14 days. Once the fry are free-swimming, feed them with infusoria or finely crushed flakes. As they grow, gradually introduce them to newly hatched brine shrimp for better development.

Tank Requirements

Due to their small size and active nature, Forktail Rainbowfish are best kept in a tank of at least 40 liters (10 gallons). They prefer well-planted tanks with plenty of swimming space and subdued lighting. Maintaining the water temperature between 22-24°C (71.6-75.2°F) is crucial, along with a slightly alkaline pH range of 7-8. Keep the water hardness between 8-18°N (142.86-321.43ppm) for optimal health. Additionally, a gentle filtration system that promotes some water movement is recommended to mimic their natural habitat.

Temperament

Forktail Rainbowfish are peaceful and get along well with other similarly sized, non-aggressive tankmates. They are schooling fish, so keeping them in groups of at least 6 is recommended to bring out their best colors and natural behavior. Avoid housing them with larger or predatory fish, as they might be mistaken for food due to their small size.

Lifespan

Under proper care, Forktail Rainbowfish can live for 2-3 years. Providing a stable environment with high water quality and a balanced diet can help extend their lifespan.

Short Description

Pseudomugil furcatus, known as Forktail Rainbowfish, is a small, vibrant species perfect for a peaceful community tank. With their stunning yellow fins and forked tails, they bring a splash of color to any aquarium. Their active schooling behavior and peaceful temperament make them a joy to watch.

Pictures

Bought by aqua-fish.net from jjphoto.dk.

Forktail rainbowfish, picture 1 Forktail rainbowfish, picture 2 Forktail rainbowfish, picture 3

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