Pseudomugil Gertrudae - 2.5cm

Species Profile

• Scientific Name: Pseudomugil gertrudae
• Common Name: Gertrudae, Spotted Blue-eye
• Adult Size: Up to 1.2 inches (3 cm)
• Life Expectancy: 2 to 4 years
• Habitat: Native to northern Australia, Papua New Guinea, and Indonesia; inhabits slow-moving or stagnant waters such as swamps, forest pools, and small streams, often rich in leaf litter and vegetation

Tank Requirements

• Minimum Tank Size: 10 gallons (38 liters) for a small group
• Ideal Temperature: 72°F to 82°F (22°C to 28°C)
• pH Range: 5.0 to 7.5
• Water Hardness: 1 to 12 dGH
• Temperament: Peaceful and social; best kept in groups of 6 or more, ideally with a ratio of more females to males for best behavior and display

Diet & Nutrition

• Omnivorous: Yes
  Enjoys a varied diet including:

  • High-quality micro pellets and flakes
  • Live or frozen foods such as baby brine shrimp, micro worms, and daphnia
  • Will also graze on biofilm and algae in the tank

Appearance

• Coloration: Translucent yellow to golden body with striking iridescent blue eyes
• Fins: Fins are semi-transparent with black spots; males display longer, more elaborate fins and more intense coloration
• Size/Form: Small, slender, and graceful swimmer

Distinctive Features

• Blue iridescent eyes that shine under proper lighting
• Males perform fluttering courtship dances with extended fins
• Best coloration and behavior are seen in well-planted tanks with soft lighting
• Sensitive to poor water quality; clean, stable conditions are essential