マヒマヒMeanings1nounmahi-mahi; common dolphinfish; doradoRefers to the fish Coryphaena hippurus, known as mahi-mahi in Hawaiian. In Japanese, it is also called シイラ.from HawaiianSee also: シイラハワイではマヒマヒのグリルが人にん気きです。Grilled mahi-mahi is popular in Hawaii.