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Spotted Blue-Eye: A Comprehensive Guide (Pseudomugil gertrudae)
by Bob Steenfott March 17, 2026

The Spotted Blue-Eye (Pseudomugil gertrudae) is a small and colorful nano fish known for its bright blue eyes and delicate spotted fins. With multiple geographic variants like “IV,” Aru, and Timika, this species offers aquarists a wide range of unique forms to choose from.

Posted in freshwater nano fish, gertrudes rainbowfish, nano rainbowfish, pseudomugil gertrudae, pseudomugil IV, spotted blue eye, steenfott aquatics fish library

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