Which is the largest tiger species of the world?

Siberian (or Amur) tigers are the world's largest cats.

The tiger is the largest big cat species in the world. More specifically the Siberian tiger.

But the world's largest cat is Hercules is a 900-pound-heavy, 6-feet-tall and 12-feet-long 'lige'r who holds the Guinness World Record for being the world's largest cat.

Born from a lion father and tiger mother, Hercules has grown into an impressive creature, able to run at speeds of up to 50 mph and can eat 100 pounds of food in one sitting! Ligers are generally known to be rather fat and unhealthy cats, but Hercules is an exceptional specimen that has received the best genes from both feline species.