List of animals by number of neurons

Sponge: 0

Ant: 10,000

Honey Bee: 850,000

Cockroach: 1,000,000
Mouse: 4,000,000
Rat: 15,000,000

Dog: 160,000,000
Cat: 300,000,000
Octopus: 300,000,000

Chimpanzee: 6,200,000,000
Human: 100,000,000,000
Elephants: 200,000,000,000
Whales: 200,000,000,000"
the new shelton wet/dry