Human eyes rely on three types of photoreceptors to detect color: red, green and blue. Mantis ... a broader spectrum of light, including ultraviolet, which is invisible to us. The shrimp’s ...

QUESTION: Which animal can see the widest spectrum of colours? Mantis shrimp have remarkable colour vision. They have as many as 16 types of photoreceptor cone, compared with the three humans have.

The eyes of the mantis shrimp have more types of photoreceptors, or color-detecting cells, than any animal on the planet. But the bottom-dwelling sea creatures are surprisingly bad at ...