From Japanese-English FreeDict Dictionary ver. 0.1:
(word containing out-dated kanji) 鱰 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, (word containing out-dated kanji) 鱪 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, しいら /ɕˈiːɽä/, () シイラ /ɕˈiːɽä/
(noun (common) (futsuumeishi))
Note: word usually written using kana alonemahimahi (Coryphaena hippurus), common dolphinfish, dolphin, dorado