Fig. 1: Sampling location map of Melanotaenia splendida splendida collected from the Wet Tropics of Queensland.

Point colours correspond to river drainage of origin. Blue lines highlight only the sampled creeks and major rivers of each represented drainage system. Inset: extent indicator of main map relative to the Australian continent. Locality codes: LM Little Mulgrave Creek, CA Cassowary Creek, MA Marrs Creek, SA Saltwater Creek, ST Stewart Creek, DO Douglas Creek, DY Doyle Creek, AN Forest Creek, MC McClean Creek.