Forktail Blue-Eye Rainbowfish (Pseudomugil furcatus) – 2–2.5 inch Moenkhausia copei females deposit eggs inside mussel

females deposit eggs inside mussel gills for protection

These fishes are sensitive and vanish in degraded or polluted environments

moderate hardness (KH 4–8)

Generally semi-aggressive and territorial

but territorial with conspecifics

Forktail Blue-Eye Rainbowfish (Pseudomugil furcatus) – 2–2.5 inch Moenkhausia copei females deposit eggs inside musselSpecies Overview The Forktail Blue Eye Rainbowfish (Pseudomugil furcatus) is a small, vibrant freshwater species native to the coastal streams of Papua New Guinea. It features striking turquoise blue eyes, a silvery body, and a distinctive forked tail. Males display bright yellow fins, especially during breeding, making them a colorful addition to any community tank. This peaceful species is active and schooling, best kept in groups. Aquarium Setup &