Loko Iʻa, is an ancient Hawaiian fishpond estimated to have been built between 1400 and 1500 AD.

In 1996, the ʻAoʻao O Na Loka Iʻa O Maui (Association of the Fishponds of Maui) began renovating Koʻieʻi.e., working closely with the Hawaiian Islands Humpback Whale National Marine Sanctuary.

[3] Koʻieʻie ("rapid current") is classified as a loko kuapa (walled pond), a type of fishpond that uses lava rock and coral walls (kuapa) to keep water circulating while a wooden sluice gate (makaha) allows small fish to enter the pond to feed, but prevents them from leaving after they grow too large to slip between the gate's gaps.

Species of fish once farmed by ancient Hawaiians include the awa (milkfish, Chanos chanos), amaʻama (flathead mullet, Mugil cephalus), and the aholehole (Hawaiian Flagtail, Kuhlia xenura).

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