Olms are troglobites, or cave-dwelling creatures. They spend their entire lives in the darkness of caves. As a result, their eyes are very underdeveloped and their skin lacks pigment, causing them to appear pink or yellowish-white.
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Olms are troglobites, or cave-dwelling creatures. They spend their entire lives in the darkness of caves. As a result, their eyes are very underdeveloped and their skin lacks pigment, causing them to appear pink or yellowish-white.