Lahuipua’a Fishpond is the largest of several fishponds in Kalāhuipua’a Historical Park, on the grounds of Mauna Lani Resort. These ponds were where fish were raised for feeding the Hawaiian ali’i (royalty). The ponds are still used for raising fish in the traditional manner.
Graham's Island 
Are they used for general consumption?
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I doubt it. It was never a lot of food, but more a reliable supply of food for the royalty. Perhaps the resort uses the fish in their food services.
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Sort of like a fish infinity pool
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There you go!
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What a beautiful sight xx
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It’s a very tranquil spot.
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