Spider Color Vision

In fact, human vision is only about five to 10 times better than a jumping spider's. The eight eyes of a jumping spider, here seen magnified from above with a scanning electron microscope. When they work together, these eyes offer nearly a 360.

The Habronattus sunglow (male pictured above) is a species of jumping spider that has trichromatic or "true" color vision. Daniel Zurek Jumping spiders see in high. Clever experiments and new technology are taking scientists deep into the lives of jumping spiders, and opening a portal to their experience of the world.

Some jumping spiders are even tetrachromatic, possessing four distinct photoreceptor types, which allows them to potentially see an even broader spectrum of colors than humans. Why Color Vision Matters to Spiders Spider color vision, particularly their sensitivity to UV and specific visible light wavelengths, plays a role in various behaviors. Veritasium highlighted University of Cincinnati research on the vision of jumping spiders to explain what we're learning about our own vision.

The video helps viewers understand colors by exploring the evolution, biological mechanisms and diverse perception systems of color vision in jumping spiders. The World Through Jumping Spider Eyes Unlike humans, who have three types of color-detecting cells (cones) in their eyes, jumping spiders have four types. This expanded color vision allows them to perceive a wider range of colors, including ultraviolet (UV) light, which is invisible to us.

Vision's Role in Spider Behavior The specific color perception of spiders plays a significant role in their daily behaviors, particularly in hunting and mating. Their ability to see ultraviolet light is crucial for detecting prey, as many insects, which constitute a primary food source, reflect UV light in patterns invisible to human eyes. Spiders are not completely colorblind, but they do have limited color vision.

This article explores the visual system of spiders and how they perceive colors. Physical Basis of Jumping Spider Color Vision Figure 1. Forward facing visual system of a jumping spider, with larger principal eyes (center pair) that provide high acuity and color vision, and smaller secondary eyes (outside pair) that offer a wide monochromatic field of view with moderate acuity and high motion sensitivity.

Photo: Thomas Shahan.