Gertrude’s Spotted Blue-Eye Rainbowfish (Pseudomugil gertrudae) Introduce a spectacular splash of pattern and personality to your aquarium with Gertrude’s Spotted Blue-Eye Rainbowfish. Bred responsibly at Aquatic Bliss with the highest welfare standards, these peaceful nano fish are renowned for their delicate, feathery fins and intricate black spotting. Watching a male display his sails to court females is one of the most rewarding sights in the hobby. They are a schooling species that thrives alongside other gentle tankmates, bringing life and colour to the middle and upper layers of your aquascape.
Care and Fact Sheet
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- Scientific Name: Pseudomugil gertrudae
- Common Name: Gertrude’s Spotted Blue-Eye, Spotted Blue-Eye Rainbowfish
- Origin: Northern Australia and Papua New Guinea
- Adult Size: 3 cm to 4 cm (1.2 to 1.6 inches)
- Lifespan: 2 to 3 years
- Diet: Omnivore (Thrives on high-quality nano flakes, micropellets, daphnia, and live baby brine shrimp)
- Temperament: Peaceful and active; ideal for community nano tanks
Aquarium Requirements
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- Minimum Tank Size: 40 litres (approx. 10 gallons)
- Water Temperature: 24°C to 28°C (75°F to 82°F)
- pH Range: 6.0 to 7.5
- Water Hardness: 5 to 12 dGH
- School Size: Minimum of 6 individuals, ideally with a higher ratio of females to males
- Tank Setup: Dense vegetation, slow to moderate water flow, leaf litter or driftwood, and dark substrate to make their colours pop
