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2 November 2026

Imagine an animal that can alter its appearance and movements to resemble creatures that predators would rather avoid. In the warm waters of Southeast Asia, the mimic octopus has developed an extraordinary way of protecting itself.

Unlike animals that rely on a single camouflage pattern, this octopus changes its posture, colour and movement to imitate different marine creatures. Researchers have documented individuals adopting forms resembling venomous sea snakes, lionfish and flatfish.

The remarkable part is that the choice of disguise appears to depend on the danger approaching. A predator swimming nearby may prompt one kind of imitation, while another threat may lead to a different performance.

The mimic octopus was scientifically described after researchers observed it in Indonesian waters. Its behaviour challenged the idea that camouflage is simply a matter of blending into the background. Sometimes survival requires looking conspicuously like something else.

There is still much to learn about how these animals make such choices, but their behaviour demonstrates an extraordinary flexibility in nature.

An octopus has no armour, no sharp teeth and no great speed to depend upon. Yet it can turn its own body into a convincing deception.

In the underwater world, sometimes the best defence is not to hide, but to become someone else.

Rajat Chandra Sarmah, Guwahati, Assam, India, Instagram @rajatchandrasarmah, YouTube: conversewithasmile, email rajatchandrasarmah@gmail.com