Eyeless Cavefish: The Mexican tetra (Astyanax mexicanus) Deep within the dark, isolated caves of the world, a remarkable creature has evolved to thrive in complete darkness—the eyeless cavefish. These unique fish, belonging to various species within the Astyanax and other genera, have adapted to life in an environment devoid of light, resulting in a fascinating … Continue reading The Fascinating World of Eyeless Cavefish: Nature’s Beautiful Blind Survivors