Is the octopus endangered?

The octopus is not critically endangered but people are taking too much of them to sell. But they could become endangered. 

Octopus Fact number 1: Did you know an octopus has three hearts.

Octopus Fact number 2: There are exactly 289 different species of octopus

Octopus Fact number 3: A blue-ringed octopus has a bite that can kill a man in 15 minutes

Here is a link to a website that tells you why you should not buy a Blue Ring Octopus - they are becoming rare.