Blueback Blue Eye

The Neon blue-eye is a small fish, attaining a total length of 3.5 centimetres (1.4 in). It is a sexually dimorphic species in which the males are colourful being a metallic blue on their backs, dotted with small black spots, 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. There is a small yellowish patch to the rear of the first dorsal fin and dusky leading edges to the fins. The females are plainer being semi-transparent silvery-grey with translucent fins and a white belly.

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.