What has beautiful hair, a pretty face, two arms, a fishes tail, looks like a mermaid, but is not a mermaid?

Answer 1

A photo of a mermaid

Answer 2

That sounds like a siren that call sailors and ships into the rocks to crash their

Answer 3

A person can have the appearance of a mairmaid by simply wearing a proper outfit, including a shell top, blond wig, customer tail, etc.