Blue
The octopus’s blood is blue
It flushes red with blood.
The color of an octopus depends on its mood. Also the color changes. Only some octopuses have the same color which are very rare like the souther blue-ringed octupus.
an octopus changes color depending on its surrondings
an octopus changes color depending on its surrondings
An octopus or squid can change color in only seconds!
Blue
By camouflage . Blending into the same color as its surrounding makes it difficult for prey to seek out the octopus
an octopus?
it is oil
blue