Known from Kaua'i (Ref. 58302). In Hawaii, carps can be found in reservoirs on all the main islands; occasionally, escaped domestic koi can be found in streams; doughballs and corn kernels are favored baits for carp in the Wahiawa Reservoir, where this species is established; Hawaiians observe the Japanese tradition of Boy's Day wherein a carp replica called koi nobori, meaning to "to hang and fly a carp" is flown for every male member of the family because carp symbolizes strength (Ref. 44091).