How to pronounce“cavefish”in English

Its closest relatives are cavefishes in Kentucky, in the Mammoth Cave system.

Unfortunately for cavefishes, their groundwater habitat is also our main source of drinking water.

until the end up like an eyeless cavefish like this one here.

But the genes in these cavefishes can also tell us about deep geological time, maybe no more so than in this species here.

Like, some cavefish spend their whole lives in pitch-black darkness, so they have no need for vision.

Now, each cavefish species has evolved in a slightly different way, and each one has a unique geological and biological story to tell us,

Now, cavefishes can tell me a lot about biology and geology.