: They typically grow to 8–16 inches long and weigh between 1–3 pounds . With proper care, they live an average of 5–7 years , though some can live into their teens.
: They require large, flat floor spaces—at least 7.5 to 10 square feet for a pair—and should never be kept in small cages or glass aquariums, which offer poor ventilation.
: Their diet must consist of unlimited grass hay (like timothy or orchard grass), about one cup of fresh vegetables daily, and high-quality pellets. Crucially, they cannot produce their own Vitamin C , so it must be provided through their food or supplements to prevent scurvy.
Guinea pigs are highly social "herd" animals that thrive on companionship. In the wild, their ancestors lived in close-knit family groups, and domestic guinea pigs can become depressed if kept alone. Because of this, it is strongly recommended to keep them in same-gender pairs or neutered groups.

: They typically grow to 8–16 inches long and weigh between 1–3 pounds . With proper care, they live an average of 5–7 years , though some can live into their teens.
: They require large, flat floor spaces—at least 7.5 to 10 square feet for a pair—and should never be kept in small cages or glass aquariums, which offer poor ventilation. guinea pig
: Their diet must consist of unlimited grass hay (like timothy or orchard grass), about one cup of fresh vegetables daily, and high-quality pellets. Crucially, they cannot produce their own Vitamin C , so it must be provided through their food or supplements to prevent scurvy.
Guinea pigs are highly social "herd" animals that thrive on companionship. In the wild, their ancestors lived in close-knit family groups, and domestic guinea pigs can become depressed if kept alone. Because of this, it is strongly recommended to keep them in same-gender pairs or neutered groups. : They typically grow to 8–16 inches long