Halin Epinephelus shine rabe-rabe na haraji ga rukuni na nau'in kifin da aka fi sani da rukuni. Kalmar "genus" tana nufin wani nau'i a cikin tsarin rarraba rayayyun halittu, matsayi sama da nau'i da ƙasa da iyali. Epinephelus wani nau'in halitta ne a cikin dangin Serranidae, wanda ya haɗa da nau'in kifaye masu yawa da ake samu a cikin wurare masu zafi da ruwa na wurare masu zafi a duniya. Ƙungiyoyin gabaɗaya ana siffanta su da girman girmansu, ƙaƙƙarfan jikinsu, da muƙamuƙi masu ƙarfi, kuma sun shahara duka a matsayin kifin abinci da na nama.