The spider crab migration near Melbourne happens under the piers at Blairgowrie and Rye, and it is a moult rather than a breeding run.
reefwander.com/diving/port-phillip/
Map: © OpenStreetMap contributors · OpenMapTiles · CC BY 4.0

The spider crab migration near Melbourne happens under the piers at Blairgowrie and Rye, and it is a moult rather than a breeding run.
reefwander.com/diving/port-phillip/
Map: © OpenStreetMap contributors · OpenMapTiles · CC BY 4.0