The long-finned pike or yellowfin pike (Dinolestes lewini) is a species of perciform fish, the only species in the genus Dinolestes, as well as the family Dinolestidae.
It is an elongated fish with a pointed snout, and silver in color, similar in appearance to a barracuda, and grows up to 84cm (33inches) in total length. It is endemic to the coastal waters of southern Australia, including New South Wales, at depths between 5and.