In my life, huh. Lets see...
Dogs-6
Cats- 10
Rabbits-3
Ferrets-1
Chinchillas-3
prairie dogs-1
mice-3
hamsters-4
Birds- 14?
snakes-6
iguanas-1
tortoises-3
Fish- unknown

I feel like I'm forgetting something.

My list adds up to 55 not counting the fish (I have no idea how many fish I've had in my life thus far).