I'm Surprised you drew Thoes legs in a style that fits her.
Flounder is is not drawn the right Proportions. He is colored Satisfactory that looks good for that pose.
The Bubbles seem out of place on a black black backround. Interesingly they ad Beauty to the scene.
Ariel is such a Odd character to Draw Mature style. But her legacy and Audience may like it .
May the power of Disney be with you.