An interesting read.

https://www.nationalgeographic.com/animals/2020/02/worlds-largest-cave-fish-found-in-india/

interesting indeed Last year one of our divers of the explo-team encountered a blue fresh water lobster in a cave in France. But this was not blind.

See it at 1:42 in the following clip https://drive.google.com/file/d/1Fl79gFkvUAnc5K0uZyE3FaY83oaSKNXn/view