Sinister fish in "The Little Mermaid"

I believe the answer is:

eel

(Other definitions for eel that I've seen before include "Slippery character" , "Snakelike fish" , "Slippery type" , "Proverbially slippery fish" , "Slippery person" .)

I've seen this clue in The New York Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.