In Hawaii they’re called fish ponds: https://keolamagazine.com/sustainability/fishponds-in-hawaii/ https://keolamagazine.com/sustainability/fishponds-in-hawaii

In Hawaii they’re called fish ponds: https://keolamagazine.com/sustainability/fishponds-in-hawaii/ https://keolamagazine.com/sustainability/fishponds-in-hawaii... You can see many preserved examples made out of lava rock and even explore them on foot. Kalahuipua’a Historic Park near Kona on the Big Island also has some petroglyphs and traditional buildings near the fish ponds at Kakaiwa Bay. https://www.hikespeak.com/trails/kalahuipuaa-trail-lava-tube-shelter-fishponds-loop-hawaii/ https://www.hikespeak.com/trails/kalahuipuaa-trail-lava-tube... There also used to be an amazing ocean fed hot spring tide pools in Kapoho (near Hill) that served as natural fish ponds but sadly they were destroyed in the lava flow in 2018 which incredibly turned the entire bay into a peninsula.