The Big Green Fish is a villain in Stuart Little: The Animated Series, and is the secondary antagonist of the episode "No Job Is Too Little".
It tries to eat Stuart while he was fell into the fish tank, but is defeated by swimming away after chomping and eating Stuart Little, and after he was swimming away, Stuart Little escaped from the fish tank, and was no longer seen in the rest of the episode after he swam away.
The Big Green Fish is a vicious, evil, mean, and cruel monster fish who wants to eat Stuart, but is defeated by swimming away.
The Big Green Fish is green, a yellow tail, fins, black eyes, and brown spots.
- In the episode "No Job Is Too Little", The Big Green Fish only appears in one scene, but does not appear much as Scar and Tiger do.
- The Big Green Fish is the only Stuart Little villain that does not speak, but the rest of them do.