This poor little mermaid is desperate for a human diver to notice her.  But alas, they just mistake her for another manatee and swim on past.  Guess they're used to seeing mermaids that look like this:
   

Mature Content

       

The basic lineart for this scene was created by Sekhmet-Heart-->
The background was provided by Tigers-stock-->
The rest was done by me...Hope you give this mermaid some love!