Description
The Blue Eye Dwarf Rainbowfish (Pseudomugil luminatus) is a dazzling gem among freshwater nano fish, loved for its fiery neon red to red-orange body and mesmerizing bright blue eyes. This striking member of the blue eye rainbowfish family is perfect for nano tanks, planted aquariums, and peaceful community setups. Males feature vibrant red-orange coloration with iridescent hues and extended, ornate fins adorned with white edges and dark spots, while females display subtler tones but the same captivating blue eyes.
Pseudomugil luminatus is a peaceful, hardy, and easy-to-care-for species ideal for beginner to advanced aquarists. In their natural habitat in Papua, Indonesia, these fish inhabit shallow, slow-moving, heavily planted waters with low mineral content. To help them thrive, replicate these conditions in your home aquarium with soft, slightly acidic water, dense floating plants, and stable water parameters.
At Splashy Fish, our Blue Eye Dwarf Rainbowfish for sale and other Rainbowfish for sale are tank-bred with expert care and shipped with Live Arrival Guarantee. We also offer a wide variety of betta fish for sale, freshwater fish for sale, aquarium plants for sale, and other aquarium supplies to complete your setup.
What You Can Expect From This Fish
One of the most vibrant blue eye rainbowfish, with intense red-orange body and bright blue eyes
Peaceful, hardy, and outgoing species perfect for nano tanks
Safe with all aquatic plants, especially floating plants which they naturally prefer
A perfect choice for planted aquariums and community tanks with other peaceful fish
Recommended Tank Parameters
Temperature: 73° – 82°F (23° – 28°C)
pH: 5.0 – 7.0
KH: 5 – 12
Minimum tank size: 10 gallons or more for a shoal of 8+ individuals
Water type: Soft, slightly acidic to neutral
Lighting: Moderate to highlight their vibrant colors
Care Guidelines
Diet: high-quality flake foods, micro-pellets, and live or frozen foods such as baby brine shrimp, daphnia, and cyclops. Offering small, meaty foods enhances both their health and coloration.
Social Behavior: Peaceful, schooling/ shoaling, outgoing
Origin: Papua, Indonesia
Average Adult Size: 1.2 – 1.4 inches (3 – 3.6 cm)
Average Purchase Size: 0.5 – 1 inch (1.2 – 2.5 cm)
See more details on How to Care for Rainbowfish here.
Blue Eye Dwarf Rainbowfish Frequently Asked Questions (FAQs)
How big do Blue Eye Dwarf Rainbowfish get?
Blue Eye Dwarf Rainbowfish (Pseudomugil luminatus) grow to approximately 1.2 to 1.4 inches in length. Despite their small size, they are extremely active and display bold coloration, making them a perfect choice for nano aquariums and planted community tanks.
Are Blue Eye Dwarf Rainbowfish peaceful?
Yes! Pseudomugil luminatus is an incredibly peaceful, shoaling fish that thrives when kept in groups of 8 or more. They coexist well with other small, peaceful fish such as rasboras, tetras, and shrimp. Avoid housing them with large or aggressive species that may outcompete them for food.
How are Pseudomugil luminatus different from Pseudomugil gertrudae?
While both are blue eye rainbowfish, Pseudomugil luminatus displays a striking red-orange body and intense fin coloration, whereas Pseudomugil gertrudae has a more yellow-blue body with spotted fins. Both species share brilliant blue eyes and peaceful, shoaling behavior, but luminatus tends to stand out more in brightly planted tanks due to its fiery color.
