[1] It is a sexually dimorphic species in which the males are colourful being a metallic blue on their backs, dotted with small black spots,[2] a narrow black stripe along the centre of their flanks separates the blue back from the translucent to yellowish white lower half of their body.
[3] The neon blue-eye is found in northern Australia where it has a disjunct distribution from Crab Creek east of Broome and around Wyndham in Western Australia, in the Northern Territory they have been recorded between Darwin and the Cobourg Peninsula, as well as on Melville Island and in the basin of the Norman River on Queensland's Gulf of Carpentaria coast.
[2] The neon blue-eye is a euryhaline species which can tolerate a wide range of ecological conditions, although it shows a preference for muddy creeks lined with mangrove.
[2] In the wild, the neon blue-eye is a seasonal breeder, with spawning usually taking place from October to December.
[3] The neon blue-eye was first discovered by Helen K. Larson in 1981 near Darwin before Neil Sarti found it in Crab Creek near Broome a year later.