HomeFish encyclopediaRay-finned fishesSilversidesBlue eyesCape blue-eye Cape blue-eye (Pseudomugil majusculus) Scientific name: Pseudomugil majusculus Ivantsoff & Allen, 1984 The Cape blue-eye (Pseudomugil majusculus) is a brackish-water fish of the family Pseudomugilidae. BiologyDorsal spines (total): 4 - 5; Dorsal soft rays (total): 7-9; Anal spines: 0; Anal soft rays: 12 - 13. Gill rakers in first lower, 14-15, gill arch less than half the diameter of pupil but longer than in other species of this genus.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePseudomugil majusculusFamilyPseudomugilidae (Blue eyes)OrderAtheriniformes (Silversides)ClassActinopterygii (Ray-finned fishes)Maximum length5.0Depth range0–2 m (0–7 ft)EnvironmentBrackish; pelagic; depth range 0 - 2 mClimateTropicalDistributionWestern Central Pacific: Cape Ward Hunt, eastern Papua New Guinea and from Fergusson Island in the D'Entrecasteaux Group. Easily misidentified for Pseudomugil signifer.Conservation status (IUCN)Lower Risk: least concern (LR/lc)Threat to humansHarmlessUsesFisheries: of no interest SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026