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 ...
Human eyes rely on three types of photoreceptors to detect color: red, green and blue. Mantis shrimp, on the other hand, have between 12 and 16 types of photoreceptors. This allows them to see a ...