Pseudomugilidaefreshwater fishbeginner

Forktail Blue-eye

Pseudomugil furcatus

Also known as: Forktail Blue-eye, Forktail Rainbowfish

Origin: Papua New Guinea (eastern)

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Water Parameters

Temperature2228 °C
15 °C35 °C
pH6.58
49
GH (Hardness)312 °dGH
0 °dGH30 °dGH
KH (Alkalinity)16 °dKH
0 °dKH20 °dKH

Quick Stats

Max Size
4.5 cm
Min Tank
40 L
Lifespan
3-5
Swimming Level
middle
Schooling
Yes (6–12+)
Diet
omnivore
Temperament
active, peaceful nano schooling fish

About

Pseudomugil furcatus is native to the rainforest streams of eastern Papua New Guinea, where it inhabits slow-moving, heavily vegetated water. Males develop a deeply forked yellow and black caudal fin and striking blue eyes. A peaceful, undemanding species well suited to nano and planted aquariums, and one of the most commonly available Pseudomugil in the hobby.

Care Guide

Water: 22–28°C, pH 6.5–8.0, soft to moderately hard water. Tank: 40 L+ planted nano tank; gentle filtration and dense vegetation. Feeding: Omnivore; fine flakes, micro-pellets, baby brine shrimp, and micro-worms. Behaviour: Active, peaceful nano schooling fish; best displayed in large groups. Compatibility: Excellent with other small peaceful nano species.

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