Kalmar “bonito” tana nufin nau’in kifin da aka fi samu a cikin ruwa masu zafi kuma galibi ana amfani da shi wajen abinci. Kalmar "shark" tana nufin rukuni na kifaye masu kifin da ke da kwarangwal na cartilaginous, guntun gill biyar zuwa bakwai a gefen kai, da layuka masu yawa na hakora masu kaifi. Don haka, “bonito shark” na iya nufin wani nau’in kifin da ke ciyar da kifin bonito, amma babu takamaiman nau’in kifin da aka fi sani da “bonito shark” a fannin kimiyya ko amfani da kowa.