Mermaid

Legendary aquatic creature with an upper body in human female form

In folklore, a mermaid is an aquatic creature with the head and upper body of a female human and the tail of a fish. Mermaids appear in the folklore of many cultures worldwide, including Europe, Latin America, Asia, and Africa. Mermaids are sometimes associated with perilous events, such as storms, shipwrecks, and drownings (cf.

From Wikipedia, under CC BY-SA. More on occurri.