Human uses of living things used; and as symbols or concepts through totemism and animism. More recently, anthropologists have also seen living things as participants in human social interactions. This article describes the roles played by living things in human culture, so defined. The human population exploits and depends on a large number of animal and plant species for food, mainly through agriculture, an essential component of human culture, but also by exploiting wild populations, notably of marine fish. Livestock animals are raised for meat across the world; they include (2011) around 1.4 billion cattle, 1.2 billion sheep and 1 billion domestic pigs. Plants provide
Yellow clown goby Yellow clown goby The yellow clown goby, "Gobiodon okinawae", also known as the Okinawa goby or yellow coral goby, is a member of the goby family native to the western Pacific from southern Japan to the southern reaches of the Great Barrier Reef. As the name implies, they are bright yellow in color, save for a whitish patch on each cheek. "G. okinawae" have a generally fusiform shape with seven dorsal spines, ten soft dorsal rays, one anal spine, and nine anal soft rays. At maturity they can reach a length of 3.5 cm. Another species, "Gobiodon citrinus", the citrus