What are mermaids' characteristics?

the behavior of a mermaid is the love to swim and collect shells and other shiny things the love to play with dolphins why do you think dolphins are so comfortable with humans the top have of a mermaid looks like a human but mermaids are shy that's why we don't see them and don't believe some one who says mermaids are not real they are just because you can't see her touch some thing dose not mean it's real i mean we cant see germ with just our eyes but they're real