Pseudomugil gertrudae (Spotted Blue-eye Rainbowfish)

Pseudomugil gertrudae, commonly known as the Spotted Blue-eye, is a captivating nano fish celebrated for its brilliant blue eyes, delicate spotted fins, and graceful swimming behavior. Native to northern Australia and New Guinea, this species is highly valued by aquascapers and nano aquarium enthusiasts for its unique appearance and peaceful temperament.

Males display intricate black spotting across their extended fins and perform elegant courtship displays when kept in groups. Their active nature and striking finnage create constant movement and visual interest, making them an outstanding addition to planted aquariums and nature-style setups.

Key Features:

- Brilliant blue eyes with beautifully spotted fins

- Elegant display behavior and active schooling nature

- Ideal for planted, nano, and community aquariums

- Peaceful temperament suitable for mixed-species setups

- Highly popular among aquascaping enthusiasts

Care Level: Easy

Temperament: Peaceful

Adult Size: Up to 3–4 cm

Diet: Omnivore – accepts micro pellets, flakes, frozen foods, and live foods

Water Temperature: 24–28°C

pH: 5.5–7.5

Pseudomugil gertrudae combines delicate beauty, peaceful behavior, and fascinating displays, making it an excellent choice for aquarists seeking a truly elegant nano fish for their freshwater aquarium.