Guinea pigs are popular family pets but are frequently kept alone or in inadequate conditions, causing chronic social deprivation and other preventable welfare harms.
A solitary guinea pig is a suffering guinea pig. Their social complexity means they need conspecific company for normal behavior, communication, and psychological wellbeing. Pet industry marketing has normalized keeping single guinea pigs in small hutches with inappropriate diets - a combination that creates chronic welfare problems. Despite being perceived as low-maintenance starter pets, guinea pigs require significant care including dietary management, veterinary access, and appropriate social housing.