She is similar in model to Gary. However, she has a light olive green body with a mustard yellow underside, a light purple shell with ten blue spots, a red-orange spiral, and thick light brown eyebrows. She appears to be a stray snail in bad shape, as indicated by her withered eyestalks, visible ribs, and a large deforming dent in her shell.
Role in episode
SpongeBob and Gary come across Esmerelda hiding behind a rock. While shy at first, she is quickly adopted by SpongeBob, who takes her home, names her, and feeds her. She appears to be friends with Gary.
- She is the second pet SpongeBob has owned that he initially thinks is a male, but is later revealed to be a female. The first is Mrs. Wormsley from "Pet or Pests."
- Also, they are both strays.