Cave animals

Loss of eyesight, loss of pigments, and development of special senses are some of the adaptations cave animals use to live in their homes.

Weird blind Cave creature design

The Mexican tetra has evolved to live in a number of dark caves – and now we know that the fish in each cave use clicks to communicate in distinct ways

Brooke Flammang is used to seeing fish that walk. But this blind, waterfall-climbing cavefish is something else altogether.

Trapped deep underneath the surface and left to evolve in isolation for thousands of years, cave animals are some of nature's most bizarre and fascinating creatures.

Olm (Proteus anguinus)

The Cave Horse (Equus Sanctus) is a rare species of horse that took to living in a cave environment. These mysterious creatures are extremely shy and seldom reveal themselves. Over millennia they’ve developed a large spinal frill and a paddle like tail to help them swim through underwater channels within the caves. They’ve developed their large lungs which helps them sustain their breath for prolonged periods of time under water. Their skin is extremely sensitive to daylight and have lost…