cucumber mulletn. the Australian grayling, Prototroctes maræna.
ΘΚΠ
the world > animals > fish > class Osteichthyes or Teleostomi > order Salmoniformes (salmon or trout) > family Salmonidae (salmon) > [noun] > prototroctes maraena
grayling1857
cucumber mullet1880
1880 W. SeniorTrav. & Trout in Antipodesi. viii. 93 These must be the long-looked-for cucumber mullet, or fresh-water herring.