[["Although most spiders have eight eyes, that's not universally true.\nThe majority with eight eyes use the two large front center eyes to get a clear sharp color-rich image, while the side eyes don't have the color, light, and focus sensitivity, but are outstanding at detecting motion.", 174.0], ["Two big eyes, right in the center of what you might call the spider's forehead, are the principal ones, and they pick up detail and color. Of the other three pairs, a rear set looks backward, a middle set is as yet a bit of a mystery, and the foremost detect motion.", 6.0]]
why does a spider have eight eyes
animals,spider,tarantulas