Can guinea pigs eat mushrooms?
PDSA lists mushrooms among foods that aren’t safe for guinea pigs. Woodgreen says mushrooms should never be fed.
Good to know: None of our sources explicitly calls mushrooms poisonous to guinea pigs, so it’s “better not”.
Better choices, for example
Questions
Can rabbits eat mushrooms?
Better not. Mushrooms are on the RSPCA’s list of foods rabbits shouldn’t eat.
Sources
Last checked: October 2026