This was just a doodle in my sketchbook, but I had so much fun looking through references to create this flowy fish person. :3 

Here's the main image I used as reference:

And here's what I came up with. I didn't vary the pose too much from Lisa's piece (oops), but I really wanted to focus on the shape of the nose and mouth. 

Thanks for the awesome class, Lisa! 
@arleebean on Instagram and YouTube