The various legends that have sprung up in the history of ocean travel are many. One of the best known, a legend that has made it into epic fables, stories, and even big screen movies, is that of mysterious creatures who are said to call sailors to their doom. Though some are friendly in the stories, many are told to be sinister in nature. They’re often depicted as either female or half female and half fish. They go by various names, but are best known as sirens or mermaids.