Bushfires reveal ancient aquaculture system

[Still Waters]

Extra sections of an ancient aquaculture system built by Indigenous people in south-west Victoria thousands of years ago have been discovered after a fire swept through the area over the past few weeks.

The Budj Bim Cultural Landscape, which includes an elaborate series of stone-lined channels and pools set up by the Gunditjmara people to harvest eels, was added to the UNESCO World Heritage List last year.

Some parts of the landscape, which also features evidence of stone dwellings, have been dated back 6,600 years — older than Egypt's pyramids.

https://www.abc.net.au/news/2020-01-19/fire-reveals-further-parts-of-6600-year-old-aquatic-system/11876228?

https://www.abc.net.au/news/2019-07-06/indigenous-site-joins-pyramids-stonehenge-world-heritage-list/11271804

[Piney]

The indigenous Hawaiian's aquaculture systems, the most advanced in the Pacific, were almost completely dismantle, destroyed and forgotten. 

Luckily there has been a revival before all was lost.

https://en.wikipedia.org/wiki/Ancient_Hawaiian_aquaculture

Some Native Americans also practiced Aquaculture.

https://www.eurekalert.org/pub_releases/2019-02/p-3yo022019.php

I can't find any links about the Arawak-Taino practicing it, but their farms have been found by archaeologists in Puerto Rico and Florida.