Description
Gertrude's Spotted Blue-Eye Rainbowfish
Pseudomugil gertrudae
The Gertrude's Spotted Blue-Eye Rainbowfish is a beautiful small rainbowfish prized for its shimmering body, vivid blue eyes and spectacular spotted finnage. Mature males are particularly impressive, developing elongated fins covered with dark spots and flashes of yellow, white and blue.
Small, peaceful and incredibly active, these stunning little fish look their best in a good-sized group where males will regularly display their impressive fins to females and rival males.
Care Information
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Adult Size: Around 3–4 cm
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Temperature: 23–28°C
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pH: 5.5–7.5
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Tank Size: Minimum 40 litres, with larger aquariums recommended for bigger groups
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Diet: Omnivorous/micropredator – quality micro pellets and finely crushed flakes supplemented with small frozen and live foods such as baby brine shrimp, daphnia and cyclops
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Temperament: Peaceful and social
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Grouping: Best kept in groups of at least 8–10, with larger groups creating an even more impressive display
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Compatibility: Ideal alongside other small, peaceful species such as small rasboras, tetras, Corydoras and peaceful shrimp
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Tank Setup: A mature, well-planted aquarium with plenty of fine-leaved plants, floating vegetation and open swimming areas. Gentle filtration and stable water conditions are recommended
Why Choose Gertrude's Rainbowfish?
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Stunning blue eyes: Their brilliant electric-blue eyes immediately stand out in the aquarium.
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Spectacular finnage: Mature males develop beautifully extended, spotted fins.
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Fantastic displaying behaviour: Males regularly spread their fins and display to one another, creating an incredible show.
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Perfect for planted tanks: Their delicate colours look fantastic against dense green planting.
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Small and peaceful: An excellent choice for smaller peaceful community aquariums.
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Beautiful group display: A good-sized group provides constant colour, movement and activity.
The Gertrude's Spotted Blue-Eye Rainbowfish is an outstanding choice for aquarists wanting a small, peaceful and exceptionally beautiful schooling fish. Once settled, the combination of their brilliant blue eyes, intricate spotted fins and constant displaying behaviour makes them one of the most captivating small rainbowfish available.
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