Blue -Ringed Octopus: Has blue rings on the outside;
The blue ringed octopus has yellowish skin with blue and black rings all over its body
They can have a diameter of 1.5 inches.
It has blue rings.=Its enemies are cows=
The blue ringed octopus has yellowish skin with blue and black rings all over its body
Tetrodoxtin is the type of toxin contained in blue-ringed octopus saliva, the same type of poison that puffer fish have. A milligram or less, about a pin-head amount, is all that is needed to kill an adult human.
yes the blue ringed octopus is harmful to human. its beak is powerful enough to penetrate diver's suit even!
The octopus has them because they need them to scare predators and warn them of danger. Also, they are used when the octopus gets really angry. They can flash from light blue ro deep purple. This tells how angry they are.
The Blue Ringed Octopus is the deadliest octopus.Its venom is ten times as worse as cyanided. It has two venoms, one for predators, and one for prey. If you see brown rings, then your ok. If you see blue rings, then your to late.It is the smallest octopus in the world.Its as big as a golf ball.There very pretty but deadly.
No they don't. They use chromataphores to make blue rings around their tentacles when they feel threatened. It is used as a warning sign.
A blue ringed octopus has a charecteristic feature of having blue to black rings on the dorsal side. The rings are iridescent. they are dosile creature but are very venemous. The venom is created by a bacteria in their salivary gland. They occur from the coasts of Japan to Australia.
The Hapalochlaena genus includes three or four octopus species known as blue-ringed octopi. The animals are recognizable by their blue and black rings and yellowish skin.