Blueback Blue Eye, Pseudomugil cyanodorsalis Allen & Sarti 1983

Other Names: Blueback Blue-eye, Neon Blue-eye

Male Blueback Blue Eye, Pseudomugil cyanodorsalis. Source: Dave Wilson. License: All rights reserved

The colourful males are metallic blue, peppered with fine black spots, with a narrow dark mid-lateral stripe, a small yellowish patch at the base of the rear of the first dorsal fin, blackish leading edges on the dorsal, anal and pectoral and caudal fins. Females are a semi-transparent silvery-grey with translucent fins and a white abdomen. 

Cite this page as:
Dianne J. Bray, Pseudomugil cyanodorsalis in Fishes of Australia, accessed 26 May 2024,

Blueback Blue Eye, Pseudomugil cyanodorsalis Allen & Sarti 1983

More Info


Crab Creek (E of Broome) and around Wyndham, WA, and between Darwin and the Cobourg Peninsula, and Melville Island, NT, and the Normanton River, Gulf of Carpentaria, QLD. 
A euryhaline species capable of tolerating a wide range of ecological conditions, preferring muddy mangrove-lined creeks; also in pure freshwater habitats, especially during the wet season.


3.5 cm TL (total length)


A popular aquarium fish.

Species Citation

Pseudomugil cyanodorsalis Allen & Sarti, 1983, Rev. Franç. d'Aquariol. Herpétol. 10(2): 47, fig. 1. Type locality: near Broome, WA.


Dianne J. Bray

Blueback Blue Eye, Pseudomugil cyanodorsalis Allen & Sarti 1983


Allen, G.R. 1989. Freshwater Fishes of Australia. Neptune, New Jersey : T.F.H. Publications 240 pp.

Allen, G.R., Midgley, S.H. & Allen, M. 2002. Field Guide to the Freshwater Fishes of Australia. Perth : Western Australian Museum, 394 pp.

Allen, G.R. & Sarti, N. 1983. Pseudomugil cyanodorsalis, une nouvelle espèce de blue-eye (Melanotaeniidae) d'Australie nord-occidentale. Revue Française d'Aquariologie et Herpétologie 10(2): 47-50 figs 1-4

Ivantsoff, W. 1999. Pseudomugilidae. pp. 2109-2112 in Carpenter, K.E. & Niem, T.H. (eds). The Living Marine Resources of the Western Central Pacific. FAO Species Identification Guide for Fisheries Purposes. Rome : FAO Vol. 4 2069-2790 pp.

Larson, H.K. & Williams, R.S. 1997. Darwin Harbour fishes: a survey and annotated checklist. In: J.R. Hanley, G. Caswell, D. Megirianand & H.K. Larson (eds). Proceedings of the Sixth International Marine Biological Workshop. The Marine Flora and Fauna of Darwin Harbour, Northern Territory, Australia. Museums and Art Galleries, Northern Territory and Australian Scientific Association 1997: 339-380.

Saeed, B., Ivantsoff, W. & Allen, G.R. 1989. Taxonomic revision of the family Pseudomugilidae (Order Atheriniformes). Australian Journal of Marine and Freshwater Research 40: 719-787

Quick Facts

CAAB Code:37245017

Habitat:Mangrove-lined creeks, freshwater

Max Size:3.5 cm TL


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Species Maps

CAAB distribution map