How long are tazmanian tiger?

The Tasmanian Tiger, more correctly known as the Thylacine, is believed to be extinct.

The lifespan of the Tasmanian tiger, or Thylacine, was around 7 years. The longest recorded lifespan of the thylacine, which is now extinct, was 8 years and 131 days. This was achieved by a thylacine in the London Zoo in 1884.