Animals That Have No Eyes

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Many animals have evolved to survive without eyes and have adapted to use other senses

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Here are seven animals that don't have eyes

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Sea urchins are animals known to see without eyes. They see using light-sensitive cells in their tube feet

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Texas blind salamanders have reduced eyes that are only two small black dots under their skin

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Some Mexican tetras, also known as blind cave fish, have evolved to be blind over millions of years

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Blind cave crabs are crustaceans that have adapted to living in complete darkness for millions of years and have lost their eyes

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Kentucky cave shrimp is eyeless and has adapted to life in caves by losing its eyes

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Widemouth blindcats, also known as Satan eurystomus, are a type of catfish that lack eyes

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Tiny freshwater hydras don't have eyes, but they can still respond to light

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