Koalas have specialized diets and can be aggressive when stressed. They're not suited for home environments due to their dietary needs and sharp claws.
Giant pandas require a specific bamboo diet and expert care. Keeping them as pets can harm conservation efforts and lead to health issues.
Otters are social and need large water bodies to thrive. Their complex needs make them unsuitable for domestic settings, and owning them may be illegal in some places.
Capybaras have intricate social needs and are illegal pets in some areas due to welfare and ecological concerns.
While common, golden hamsters require specific care and can have health issues. Breeding them without responsibility can lead to overpopulation.