Gertrude’s Spotted Blue Eye Rainbowfish (Pseudomugil gertrudae)
Description:
Gertrude’s Spotted Blue Eye Rainbowfish is a small, elegant freshwater fish admired for its shimmering blue eyes and delicate yellow fins covered in black spots. Native to Australia and New Guinea, this peaceful species is ideal for planted or nano aquariums. Their graceful swimming and social behavior make them a favorite among aquascapers and hobbyists alike.
Care Level: Easy
Temperament: Peaceful
Diet: Omnivore – enjoys micro pellets, flakes, and live or frozen foods such as daphnia and brine shrimp
Water Temperature: 72–80°F
pH Level: 6.0–7.5
Water Hardness: 5–12 dGH
Minimum Tank Size: 10 gallons
Average Adult Size: 1–1.2 inches
Tank Setup:
Provide a well-planted aquarium with open swimming areas and gentle filtration. Floating plants help diffuse light and make the fish feel more secure. Keep them in groups of at least 6 to encourage natural schooling and display behavior.
Compatibility:
Perfect for peaceful community tanks. Can be kept with other small, non-aggressive fish such as rasboras, tetras, shrimp, and small corydoras. Avoid larger or aggressive species.
Breeding:
Egg scatterers that spawn among fine plants or spawning mops. Adults may eat the eggs, so use a separate breeding tank or remove the parents after spawning.
Gertrude’s Spotted Blue Eye Rainbowfish is a beautiful and active nano species that brings color, sparkle, and lively energy to any freshwater setup.
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Gertrudes doing great!
They were a little light in color when I received them, but that was to be expected during shipping. Now that they're in their new home they're swimming around interacting with everything in the tank. So cute!
