Here is a fish that is native to the region, not specifically an Aussie fish but one you might encounter offshore.
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They leap from the water at a high velocity and have fatally injured a few people over the years.
Awhile back while watching an old 60's spy film I saw one of these among a collection of ceremonial weapons used by brainwashed zombie like assassins in Haiti.
The entire mummified fish was strapped to a long haft like a pickaxe.
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