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You know what I see when I see all those flying Carp?? (Besides the danger of getting impaled by a dorsal fin or being knocked out?)
I see free home grown fish meal fertilizer! If someone wants to take my idea and develop it commercially feel free to do it!
https://history.stackexchange.com/questions/9240/did-native-americans-really-use-fish-as-fertilizer
(People arguing about whether Squanto (Tisquanto) taught the Pilgrims to use fish to fertilize maize.)