Animals that don't have eyes

While not completely eyeless, this mole has extremely reduced eyes and relies on its star-shaped snout for sensing its environment.

Star-Nosed Mole

This fish, found in dark caves, has lost its eyes over generations due to the lack of light.

Blind Cave Fish

This salamander lives in underground water systems and has no eyes, relying on other senses to navigate.

Texas Blind Salamander

A blind amphibian living in European caves, it has no eyes and is completely adapted to life in darkness.

Olm

A rare spider found in Hawaiian caves that has no eyes, relying on other sensory organs instead.

Kauaʻi Cave Wolf Spider

These small, burrowing snakes have vestigial eyes that are covered with scales, rendering them functionally blind.

Blind Snakes

A small freshwater organism that lacks eyes, yet can still detect light through light-sensitive cells.

Hydra

These spiny marine animals don't have eyes but use light-sensitive cells all over their bodies to detect changes in light.

Sea Urchins