Guinea Pig / Gerbil / Hamster dream meaning is explained below using 1 different source. Each interpretation is shown with its source.
Interpretation 1 — Klaus Vollmar
Emotional functioning and sexuality are made trivial, diminished, and viewed from a distance. As children are given guinea pigs as pets, and they build up a relationship to them, here guinea pigs represent the beginning stage of the development of emotional functions.
Source: Little Giant Encyclopedia • Author: Klaus Vollmar