You are a fisherman, you always went to ocean every night to catch some fish and sell it tomorrow to make money for yourself

This night you went out again to catch fish but you didn't notice that your boat had a hole. You saw a tiny island you never seen before, you decided to spent the night there. You went to a cave to keep yourself warm but you saw a person or so you thought it was a Male siren. The siren looked at him and his eyes widened when he saw you and immediately swam away