Mermaid Yawk Yawk 27 cmYawk Yawk are female water spirits that closely resemble the European idea of mermaids. Half spirit, half fish, they entice unwary fishermen beneath the water of the lagoons that are their domain throughout Arnhem Land. They may have long hair like reeds of trailing water weed and can take on the features of fish or body of a snake. When fully grown Yawk Yawk spirits can leave their water hole to forage for food by changing their fishtails into legs