The differences between the blue-ringed octopus and the common octopus are as follows:

1, species differences.

Blue ring octopus belongs to the octopus family blue ring octopus genus; common octopus: belongs to the octopus family common octopus genus .

2, appearance differences.

Blue-ringed octopus, small size, arm span not more than 15 cm, body surface yellow-brown, blue-colored round spots round; common octopus, medium-sized, arm span of 42-60 cm, smooth body surface, body surface flesh color, grayish-white below.

3, different toxicity.

Blue ring octopus is highly toxic; common octopus non-toxic.

Toxicity of the blue-ringed octopus

Blue-ringed octopus's most striking sign is its beautiful blue-ringed plaid shirt. There are some special pigment cells in the skin of the blue ring octopus, which contain a large amount of blue pigment, and a large number of pigment cells form a circle, forming a beautiful blue ring.

The blue-ringed octopus is very toxic, although its bite does not feel anything, but the toxin in its body can kill within minutes, and there is no antidote.

Although it is small, the toxin it carries can kill up to 26 adults in a matter of minutes. When we are bitten by a blue-ringed octopus, the only thing we can do is artificial respiration. Therefore, after being bitten, you should press on the wound and perform artificial respiration in the first instance.