The Mexican cave fish (code name: Astyanax mexicanus) isn't just blind and eyeless, it also has a shrunken brain. Exactly how it ended up that way is a bit of an ...

In eastern Mexico’s underground caverns and streams, a blind fish undergoes a peculiar adolescence: as it approaches maturity, taste buds begin to sprout under its chin and on top of its head, ...

We found a remote cave system filled with something incredible – blind fish adapted to total darkness. In this video, we swim through underground waters surrounded by these rare, sightless creatures ...