Larval dispersal and connectivity have important implications for fisheries management, especially species with life cycles influenced by ocean boundary currents. Giant Mud Crab (Scylla serrata) Blue Swimmer (Portunus armatus) are two estuarine portunid crabs (Family: Portunidae) that support significant commercial recreational harvest in eastern Australia. migrate to coastal waters spawn, whil...

A small number of studies have demonstrated that settlement stage decapod crustaceans are able to detect and exhibit swimming, settlement and metamorphosis responses to ambient underwater sound emanating from coastal reefs. However, the intensity of the acoustic cue required to initiate the settlement and metamorphosis response, and therefore the potential range over which this acoustic cue may...