Australian grayling

Australian grayling
A relatively small Australian grayling caught and released on a dry fly
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Osmeriformes
Family: Retropinnidae
Genus: Prototroctes
Species:
P. maraena
Binomial name
Prototroctes maraena
Günther, 1864

The Australian grayling (Prototroctes maraena) is a primarily freshwater fish found in coastal rivers in south-eastern mainland Australia and Tasmania. In past decades it has also been known as the cucumber mullet or cucumber herring, for its cucumber-like odour.