(Image credit: Australian National Fish Collection, CSIRO)
Blue threadfin have four short whisker-like pectoral filaments, which are used to tell apart the blue threadfin from the king threadfin. They have a silvery-blue colouration on their heads and back. They are most common in northern Australia, occurring from the Ashburton River in Western Australia to the Mary River in Queensland.
Length: Up to 2 m
Coastal waters with shallow muddy bottoms or rivers; 0-23 m depth
In Queensland, log this species if found south of Hervey Bay
Species names on the Redmap site are based on the Codes for Australian Aquatic Biota or CAAB (http://www.cmar.csiro.au/caab/). This is updated regularly and lists the approved common name, family, species name and more.
Department of Fisheries (2011) Fisheries Fact Sheet - 15 Threadfins. Government of Western Australia, Department of Fisheries. http://www.fish.wa.gov.au/Documents/Recreational%20fishing/Fact%20sheets/fact_sheet_threadfin.pdf
Froese F, Pauly D (2011) Fishbase. www.fishbase.org
Zischke, M. T., Cribb, T. H., Welch, D. J., Sawynok, W. & Lester, R. J. G. 2009. Stock structure of blue threadfin Eleutheronema tetradactylum on the Queensland east coast, as determined by parasites and conventional tagging. Journal of Fish Biology, 75, 156-171.