While some salamanders can live up to 55 years, the average lifespan is 10 years. The lifespan of the spotted salamander in the wild is 20 years, and the lifespan of the tiger salamander is 12 to 15 years in the wild.
Salamanders lay up to 450 eggs at one time, and the fire salamander gives birth to live young. Most salamanders are about 6 inches in length from head to tail, but some are smaller. The largest salamander on record is a Japanese giant salamander with a head to tail length of 6 feet. One salamander, the axolotl, has the ability to regenerate missing limbs.