Kalmar "Family Zoarcidae" tana nufin dangin haraji na kifin ruwa waɗanda ke cikin tsari na Perciformes. Mambobin wannan iyali an fi sanin su da kifaye masu kama da kifaye kuma suna siffanta su da tsayin daka da sifar jikinsu, rashin fishin ƙwanƙwasa, da kasancewar ƙoƙon ƙoshin baya guda ɗaya wanda ke tafiyar tsawon bayansu. Ana samun su a cikin sanyi, zurfin ruwa na Arctic, Antarctic, da kuma yankunan Arctic, kuma wani muhimmin sashi ne na jerin abinci na ruwa.