Blind Cavefish : These fish live in dark caves where eyesight is not useful. Over generations, they have lost their ability to see, relying instead on their other senses like touch and smell.
Olms : These aquatic salamanders are found in caves in Europe. They are completely blind and have evolved to rely on heightened senses like smell and hearing to navigate their dark environments
Moles spend most of their lives underground in dark tunnels. They have very poor vision, with some species being essentially blind, relying heavily on their sense of touch and smell to navigate.
tar-Nosed Mole : This North American mole has a highly sensitive nose, which helps it to detect prey. It is nearly blind, with tiny eyes that are mostly covered by fur.
Blind Golden Toad : Found in Central America, these toads live in burrows and are thought to be blind, relying on their other senses to find food and mates
Hispaniolan Solenodon : This nocturnal insectivore, found in the Dominican Republic and Haiti, has very poor eyesight and is mostly blind, relying on its keen sense of smell and hearing.
Naked Mole-Rat : This underground-dwelling rodent is nearly blind, with tiny, non-functional eyes
Many species of cave-dwelling spiders, like the Liphistius and Troglohyphantes species, are blind.