| 0-2 | Puppyhood: Learning basic behaviors, socialization, and getting accustomed to new surroundings. Begin vaccinations and deworming. |
| 3-6 | Teething phase begins. Continue vaccinations and training. Socialization with other dogs and people is crucial. |
| 6-12 | Adolescence: Continued growth and development. Adolescent behaviors may start to emerge, such as testing boundaries. Obedience training becomes more important. |
| 12-18 | Young Adult: Growth slows down, but mental and behavioral development continues. May reach sexual maturity. |
| 18-24 | Adult: Fully matured physically and mentally. Settles into a consistent routine. Regular exercise and mental stimulation are vital. |
| 24+ | Adult and Senior Years: Enters senior years, may start to show signs of aging such as decreased energy, joint issues, or cognitive decline. Increased focus on healthcare and comfort in later years. |