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

and subdued lighting or shade

Generally semi-aggressive and territorial

Group Behavior: Shoaling fish—best kept in groups of at least six to support natural social behavior and coloration

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 &