Archive · 19 Aug 2026

How Headless Animals Can Still Use Eyes to See

How Headless Animals Can Still Use Eyes to See

Most animals have a head with eyes and a brain.

However, some animals do not have a clear head.

They can still have light-sensitive organs or eyes.

These features may help them navigate, avoid predators, and find food.

Starfish are one example.

Starfish do not have a true head or brain.

Their bodies are arranged around a central disc.

The provided text introduces five examples but explains only starfish in detail.

Sources