1 hamster year ≈ 25-30 human years
Hamsters have short lifespans: Syrian 2-3 years, dwarf species 1.5-2.5 years, Roborovski up to 3.5 years. They reach sexual maturity at 4-6 weeks and are considered senior by 18 months. A 1-year-old hamster is equivalent to a ~30-year-old human. Signs of aging: reduced activity, weight loss, hair thinning, and cataracts. Hamsters are prone to tumors, especially after age 1.5 years. To maximize lifespan: provide a spacious cage (minimum 450 sq in floor space), exercise wheel, varied diet (commercial pellets + fresh vegetables + occasional protein), and minimize stress. Hamsters are solitary — Syrian hamsters must be housed alone after 8 weeks.