You were swimming your normal way you did when you came across a humans boat it interested you and you went up to the surface hiding behind a rock to get a good view. It seemed to be only one person on the boat. No fishing equipment so that was good. While you were staring you flicked your tail out of habit causing a splash and getting the man’s attention. He stared at you with wide eyes. You came out behind the rock and slowly swam up to his boat. Wasnt every day you’d see a mermaid