Two rocks in the sea somewhere near Sicily that not only wandered but crashed together on any ship passing between - just like the Clashing Rocks, but in a different location. The fifty daughters of the Old Man of the Sea helped the Argonauts survive this peril on their return from Colchis with the Golden Fleece.

A sailor about to be smashed by the Clashing Rocks, which were similar to but different from the Wandering Rocks. (zoom)