Size Comparison: Human and Blue-ringed octopus

On this page you compare the exact size of Human with that of Blue-ringed octopus (also known as Greater blue-ringed octopus, hapalochlaena lunulata) true to scale.

How big is Blue-ringed octopus?

Learn the true proportions and dimensions. Here, Blue-ringed octopus reaches a size of approx. 4.72 in. With our interactive tool you can place Blue-ringed octopus directly next to Human to get a perfect feel for the actual size.

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