Blue-ringed Octopus

They are found between Japan and Australia. It is 5 to 8 inches small ( 12 to 18 cm).
It has about 50 to 60 rings in its body and it is known as the most venemos marine animal.
Its venom is powerful enough to kill a lot of humans. There is no blue-ringed octopus cure available.
A few minutes after the bite you would be paralized, you would stop breathing, but your brain would continue working, so you would realize what is happening.

Desert Ants

It inhabits the Sahara desert and is one of the most heat tolerant animals known.
Desert ants are extremely fast. They can run three feet in one second.
They contain a few bacteria, and they base all there life on eight minuts a day.