Reptiles

Bearded dragons, geckos, snakes, and iguanas.

Species in this group

9

About reptile pets

Reptile pets โ€” bearded dragons, leopard geckos, ball pythons, corn snakes, and iguanas โ€” age very differently from mammals. They are ectothermic, meaning their lifespan and aging depend heavily on UVB exposure, basking temperature, humidity, and diet. A bearded dragon kept with proper UVB lives 10-15 years; without it, half. Iguanas can live 20+ years with optimal care. Calculating reptile age in human years gives you a clear picture of life stage and helps you adjust husbandry for juveniles, adults, and seniors.

Lifespan range in this group

5 Min years
17.3 Avg years
35 Max years

Aggregated from individual species in this group. Indoor, well-cared-for animals typically reach the upper end.

Common care tips for reptiles

  • Provide species-correct UVB lighting on a 12-hour cycle โ€” replace bulbs every 6-12 months even if they still light up.
  • Maintain a thermal gradient with basking spot and cool side; verify temperatures with two digital thermometers, not stick-on dials.
  • Feed gut-loaded insects and species-appropriate vegetables; supplement with calcium + D3 on the schedule for that species.
  • Find an ARAV-certified reptile vet for annual checkups; fecal exams catch parasites early.
  • Watch for sunken eyes, weight loss, soft jaw (metabolic bone disease), and lethargy โ€” early intervention saves lives.

FAQ

How long do pet reptiles live?

Bearded dragons 8-15 years, leopard geckos 15-20 years, ball pythons 20-30 years, corn snakes 15-20 years, green iguanas 15-20 years with optimal husbandry.

Does UVB really affect reptile lifespan?

Yes โ€” for diurnal species like bearded dragons and iguanas, lack of proper UVB causes metabolic bone disease and cuts lifespan in half. Nocturnal species like ball pythons need less UVB.

When is a reptile considered a senior?

Past 50-60% of expected lifespan: bearded dragons at 6-8 years, leopard geckos at 10-12 years, ball pythons at 12-15 years.

Why do reptiles age slower than mammals?

Lower metabolic rate, ectothermic biology, and slower cell turnover mean reptiles age more slowly per year than mammals of similar size.

Do reptiles need annual vet visits?

Yes โ€” annual exams with an ARAV vet catch parasites, MBD, and other hidden issues. Senior reptiles benefit from twice-yearly bloodwork.

Sources & references