Old sighting from 2021, Black Head NSW. Ozius deplanatus or truncatus? In Marine Decapods of Southern Australia it's indicated that deplanatus is on the Eastern Coast of Australia (to western Victoria), and truncatus on the southern and south western coast. Also refer to sightings 163053035 and 163051855 with information about carapace.
spotted by @johneichler; see also https://inaturalist.ala.org.au/observations/197756024
Dead specimen (less than 48 hours old)