Over generations of darkness, the subterranean fish lost the huge round eyes of their surface dwelling cousins, and the silvery pigments in their skin. They became Mexican blind cavefish.

Abraham A, a former paramilitary soldier from the southern state of Kerala, found a new species of subterranean fish called Pathala Eel Loach in 2020. The fish gets its name from the Sanskrit word ...

Check out our stories here. Liu’s cave loaches live in underground rivers and cave pools but don’t have the usual features of ...

The freshwater species under threat of extinction include fish, crabs, crayfishes, shrimps, dragonflies and damselflies, ...