Kalmar "SQUALUS" tana nufin jinsin kifin sharks, wanda aka fi sani da kifin dogfish, wanda ake samu a cikin tekuna a duniya. Wadannan sharks suna da doguwar jiki siriri siriri tare da hankici, kaifi da hakora, da ƙwanƙolin ƙwanƙwasa wanda ke tafiyar tsawon jikinsu. Kalmar "squalus" ta samo asali ne daga kalmar Latin "squalidus," wanda ke nufin "m" ko "datti," mai yiwuwa dangane da kamanni ko nau'in fata na shark.