Molluscs: Blue-Ringed Octopus Warning Coloration


A blue-ringed octopus has bright blue ring patterning on its body that it flashes to warn off predators. It also has a very poisonous venom.

Next Generation Science Standards for this Video

Some octopuses are venomous and warn of danger using specialized cells called chromatophores to create color patterns in their skin.

Instead of fleeing, the blue-ringed octopus flashes a colorful display to warn predators of its venomous nature.

The venomous Blue ringed octopus has an elaborate nervous system connected to chromatophores that can change the skin’s color. To warn predators to stay away, it flashes a bright color pattern in its skin.