While this scenario sounds apocalyptic for us, it’s run-of-the-mill for blind Mexican cavefish (Astyanax mexicanus) as ...

Deep within the dark caves of northeastern Mexico lives a fish that has spent hundreds of thousands of years adapting to a world without light. The blind Mexican cavefish (Astyanax mexicanus) has ...

Blind Mexican cavefish became active in light while surface fish reacted to darkness, revealing how evolution rewired brains.

The Multi-Sensory Convergence Ladder: As signals ascend deeper into the fish’s forebrain, specifically into a structure called the pallium, single-sense neurons give way to multi-sensory cells. This ...