HomeFish encyclopediaRay-finned fishesSilversidesBlue eyesGlass blue-eye Glass blue-eye (Kiunga ballochi) Scientific name: Kiunga ballochi Allen, 1983 The Glass blue-eye (Kiunga ballochi) is a freshwater fish of the family Pseudomugilidae. In the aquarium it needs water at 24–26°C (75–79°F). Glass blue-eye care at a glanceTemperature24–26°C (75–79°F) BiologyDorsal spines (total): 2 - 3; Dorsal soft rays (total): 13-16; Anal spines: 1; Anal soft rays: 15 - 17Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameKiunga ballochiFamilyPseudomugilidae (Blue eyes)OrderAtheriniformes (Silversides)ClassActinopterygii (Ray-finned fishes)Maximum length3.0EnvironmentFreshwater;; pH range: 7.5 - ?; dH range: ? - 515 demersalClimateTropicalDistributionOceanic: known only from a few small creeks along a 15-20 km stretch of the Ok Tedi Mine supply road between Kiunga and Tabubil which is part of the Upper Fly River system, Papua New Guinea near the Irian Jayan border.Conservation status (IUCN)Critically Endangered (CR) (A2ace)Threat 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