When considering pets for families, it's important to think about the lifestyle, space, and energy level of the household. Generally, some popular pets that are great for families include dogs, cats, rabbits, guinea pigs, and fish. Dogs are known for their loyalty and companionship, while cats are independent and low-maintenance. Rabbits and guinea pigs are good options for families with limited space, and fish can be a calming and low-maintenance choice. Ultimately, the best pet for a family depends on factors such as allergies, time commitment, and the age of the children in the household.