HomeFish encyclopediaRay-finned fishesSilversidesBlue eyesSpotted blue-eye Spotted blue-eye (Pseudomugil gertrudae) Scientific name: Pseudomugil gertrudae Weber, 1911 The Spotted blue-eye (Pseudomugil gertrudae) is a freshwater fish of the family Pseudomugilidae. In the aquarium it needs water at 25–30°C (77–86°F). Native range: Asia and Oceania, Northern Australia, southern New Guinea and the Aru Islands. Spotted blue-eye care at a glanceTemperature25–30°C (77–86°F) BiologyDorsal spines (total): 4 - 6; Dorsal soft rays (total): 6-8; Anal spines: 1; Anal soft rays: 9 - 12Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePseudomugil gertrudaeFamilyPseudomugilidae (Blue eyes)OrderAtheriniformes (Silversides)ClassActinopterygii (Ray-finned fishes)Maximum length3.8EnvironmentFreshwater; brackish;; pH range: 6.0 - 6.0; dH range: 5 - 12 demersalClimateTropicalDistributionAsia and Oceania: Northern Australia, southern New Guinea and the Aru Islands.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026